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

Jane together with her friends were playing badminton when it started to rain.

A. The workers at the factory shouldn’t wear protective clothing.

B. The workers at the factory must wear protective clothing.

C. The workers at the factory needn’t wear protective clothing.

D. The workers at the factory may wear protective clothing. 

A. Such a difficult test is it that they couldn’t do it well.

B. The test is so difficult that they couldn’t do it well.

C. So difficult was the test that they couldn’t do it well.

D. It was such the difficult test that they couldn’t do it well. 

A. collect

A. As soon as it stops raining

B. After it had stopped raining

C. When it stopped raining

A. It’s my pleasure.

B. Oh yes, it’s very unfashionable.

C. Thanks. It’s very kind of you to say so.

A. So long as you pay all the bills at once, you can stay in the flat longer.

B. Whether you pay all the bills at once or stay in the flat longer.

C. Without all the bills paid, you can stay in the flat longer.

D. Unless the flat is free of bills, you cannot stay in it.