______ everyone have a great Spring Festival!

A. Can B. Must C. May D. Should

Great changes ______ in China in the past 20 years.

A. took place　 B. have taken place　 C. were taken place　 D. have been taken place

There are also many people who are interested in Chinese ______(传统的)

Black holes _____ not be seen directly, so determining the number of them is a tough task.

　 A. can　　　 B. should　　　　　 C. must　　　　　　　　 D. Need

We all knew from the very _____ that the plan would fail.

　 A. outcome　 B. outset　 C. income　 D. output

We all feel it is Jack as well as his wife that ________ for their son’s bad performance at school.

A. are to blame 　　　　　　　 B. is to be blamed

C. are to be blamed 　　　　　　　　　　　　　 D. is to blame

With his help, I became more h_______ about my life .

— How long have you been here？ — ______ the end of last month，

A. In　 B. By　 C. At　　 D. Since

Is ________ he has told you?

A. which all　 　 B. that all　　　　 C. all that　 　　D. all what

We are amazed by the progress that he ________ in recovering from the illness.

A. had 　　　　　　 B. did 　　　　　　 C. made 　　　　　　 D. kept