The police still haven’t found the lost child, but they’re doing all they .
| A．can | B．may | C．must | D．should |
What are doing here? I ________ for you for ages!
| A．have been looked | B．have been looking | C．looked | D．had been looking |
------ That car loo nice and spacious.
------ Well, it’s too expensive, ________, I don’t like the color.
| A．besides | B．however | C．as well | D．therefore |
----- My son was admitted to a key university last year.
----- Congratulations! His hard work finally ________,
| A．paid for | B．paid off | C．paid back | D．paid attention |
---- Mummy, can I go out for a play for a while?
---- Yes, if you _______. But make sure you e back before 8:00.
| A．shall | B．will | C．must | D．could |
The French president said that it was ______honor to visit China, _______ country with ______ rich culture.
| A．不填; 不填, 不填 | B．an; a；a | C．不填; 不填; a | D．a; an; 不填 |