What makes the space shuttle _____ is that it takes off like a rocket but lands like an airplane.
| A．exceptional | B．strange | C．unique | D．rare |
_________ is known to all, the moon travels round the earth once every month.
| A．It | B．As | C．That | D．What |
Sorry, I am late. I ______ have turn off the alarm clock and gone back to sleep again.
| A．might | B．should | C．need | D．would |
___________ was most important to her, she told me, was her family.
| A．It | B．This | C．What | D．As |
The man _______ the little boy and said , “You are so clever and lovely . I love you very much.”
| A．glared at | B．aimed at | C．stared at | D．laughed at |
________ work has been done to improve the people’s living standard.
| A．A large amount of | B．A large number of | C．A great deal | D．A great many |