Pollution is a serious problem. Scientists have _______ some good ways to save it.
| A．come up with | B．come on | C．come out | D．come up |
─What’s the girl doing? ─She ______ a bike.
| A．is riding | B．rides |
| C．can ride | D．doesn’t ride |
It _________ outside. You’d better take an umbrella with you.
A.rains B.is raining C.rained
—Do you know if Tom ________to the concert?
— I’m not sure, but if he________, I’ll go to the concert with you.
| A．comes, comes | B．comes, will come |
| C．will come, comes | D．will come, will come |
--Where did you go on vacation?
--I ___________.
| A．stay at home | B．am going to Beijing | C．visit my uncle | D．went to the beach |
I don’t know if he _______ tomorrow．If he _________, please let me know.
| A．will come; comes | B．will come; will come |
| C．comes; comes | D．comes; will come |
----Which team do you think ______ the game ?
----I don’t know! There are still ten minutes before it ends.
| A．won | B．win |
| C．will win | D．wins |
Look! The cat ______ a mouse.
| A．chase | B．chases |
| C．chasing | D．is chasing |
---I saw Mr. Smith in the office at ten yesterday morning.
---That’s impossible. He _______ an English party with us then.
| A．has | B．had | C．was having | D．has had |
Poor thing! Jack had a fall while he ______on the ice. He got hurt badly.
| A．skates | B．skated |
| C．was skating | D．is skating |
Look at the baby __________in pink. How lovely!
| A．dressed | B．wears | C．is wearing | D．Dresses |
—How happy the grandparents are!
—Yes, they for fifty years.
| A．have been married | B． have married |
| C．How got married | D． married |
Lily is a careless（粗心的） girl.She often_____________ her homework at home.
| A．loses | B．forgets |
| C．leaves | D．looks |
-- Our city _____ a lot in recent years. -- Yes. It’s becoming more and more beautiful.
| A．has changed | B．changed | C．changes | D．change |
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