His work _____ have been completed; otherwise, he wouldn’t be enjoying himself on the beach.
| A．should | B．shouldn’t | C．can’t | D．must |
In the noisy crowd, I had to raise my voice to make myself ___________.
| A．hear | B．hearing |
| C．to be heard | D．heard |
As we can see, Peter is very happy, so he___________ have passed the exam. After all, it’s not difficult at all.
| A．must | B．would |
| C．could | D．should |
—Is Bob still a volunteer?
—No, but he _____. He worked for the 2008 Beijing Olympic Games.
| A．used to | B．used to be |
| C．used to do | D．was used to |
You’d better _______ because I’m busy writing a letter to my parents.
| A．leave me alone | B．leave me behind |
| C．set me aside | D．set me off |
Last month we students all had some great speeches. The headmaster together with some other teachers __________ to attend it, too.
| A．were invited | B．was invited |
| C．has invited | D．invited |