The mobile phone is an effective means of                                       in the world nowadays.

Mark the letter A, B, C, or D on your answer sheet to indicate the most suitable response to complete each of the following exchanges.

Maria and Alex are talking about the environment. Maria: "Our environment is getting more and more polluted. Do you think so?" Alex: "      . It's really worrying.

We                                      full advantage of the fine weather and had a day out.

First our team should identify                                   _ specific need in the community and then carry out a project to address that need.

Peter is not a modest boy since he often shows                                     his prizes.

Jack’s father bought him a(n)                                    _ bike as a birthday gift. 

Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions

"You got an A in Chemistry. Congratulations!" Peter said to his classmate.

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.

Some of the tunnels in the cliff are totally natural; some others were carved out by soldiers for defensible purposes.