China has________population in the world．
| A．the bigger |
| B．the biggest |
| C．the more |
| D．the most |
The man ________ when he saw the policeman.
| A．run away | B．ran away | C．take away | D．took away |
He didn’t ____ his homework. He ____ TV all night yesterday.
| A．do; watch | B．did; watches | C．does ; watches | D．do; watched |
---- Dan hurt his leg when he was playing football.
---- ________
| A．I'm not sure about it! | B．No, I don't believe it! |
| C．I am sorry to hear that. | D．Oh, my God! |
---- What did Jack eat?
---- He ________ an apple before he ________!
| A．ate; sleeps | B．had eaten; slept |
| C．eats; was sleeping | D．has eaten; slept |
--- What ________ is a basketball?
---- It is ________.
| A．shape; round | B．height; oval |
| C．weight; heart-shaped | D．shape; square |