Was it eleven o’clock _____ you arrived home last night?

A. when                       B. that            C. since                 D. while

 When _____, the museum will be open to the public next year.

A. completed                                     B. completing 

C. being completed                             D. to be completed

 _____ right away, you would arrive there by 5 o’clock p.m..

A. Would you leave                                   B. Will you leave

C. Were you to leave                          D. If you’ll leave

 Not until _____ his cap _____ him.

A. did he took off; I recognized           B. he took off; I recognized

C. he took off; did I recognize             D. did he take off; did I recognize

--- I’m afraid I have to give it up.

--- Don’t be discouraged. Remember _____ sticks to his work will succeed one day.

A. anyone　　　　　　 B. who　　　　　　　　 C. no matter who　 D. whoever

 Under good treatment, Helen is beginning to _____ and will soon come back to school.

A. wake up            B. show up            C. turn up              D. pick up

--- It’s cloudy outside. Please take an umbrella.

--- ______.

A. Yes, take it easy　　　　　　　　　　　　　　 B. OK, just in case

C. Well, it just depends　　　　　　　　　　　 D. All right. You’re welcome

 It is the very place _____ we have been looking forward to _____.

A. that; visiting                                   B. where; visiting

C. that; visit                                       D. where; visit

 Greenland, _____ island in the world, covers over two million square kilometers.

A. it is the largest                               B. that is the largest

C. is the largest                                  D. the largest

 Shirley _____ a book about environmental protection, but I wonder whether she has finished it.

A. wrote                                            B. had written

C. has written                                    D. has been writing