Read the following passage and mark the letter A, B, C or D on your answer sheet to choose the word or phrase that best fits each other numbered blanks. 

MARITAL PROBLEMS

      When people marry, they're usually in love and happy to be tying the (46) _______. But after that, things tend to change. On average, couples' satisfaction with their marriage declines during the first years of marriage and, if the decline is particularly steep, divorce may follow. The course of true love runs downhill. 

      For around 30 years, researchers have studied how having children affects a marriage, and the results are (47) ________: the relationship between spouses suffers once kids come along. Comparing couples with and without children, researchers found (48) _________ the rate of the decline in relationship satisfaction is nearly twice as steep for couples who have children than for childless couples. In the (49) ________ that a pregnancy is unplanned, the parents experience even greater negative impacts (50) ________ their relationship. 

      The irony is that even as the marital satisfaction of new parents declines, the likelihood of them divorcing also declines. So, having children may make you miserable, but you'll be miserable together. 

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Điền vào ô (47).

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best completes the following exchanges.

It is reported that humans are the main reason for most species decline, habitat ______ is the leading threat.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best completes the following exchanges.

I have just found the book _____

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best completes the following exchanges.

People should stop smoking ________ it is extremely detrimental to health.

Mark the letter A, B, C, or D on your answer sheer to indicate the underlined part that needs correction in each of the following questions.

We received a SOS signal appearing right here in this city, please connect the support team there immediately.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best completes the following exchanges.

We were having dinner in a restaurant last night when this guy at the next table _______ because the waiter brought the wrong thing.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best completes the following exchanges.

The local authority demanded that new migrants __________ to settle down.

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best completes the following exchanges.

The passenger asked _______ we landed because she was afraid of being late for the meeting.