.—Why not _______us and have a good time at the party?
---I would love to. ________ I have a lot of homework to do.
A. join in , But B. take part in, And C. join, And D. join. But
—The old man is ill. He ________ to the hospital at once.
--Don’t worry. A doctor _________to come already.
A. must be sent , has asked
B. must send, have asked
C. must be sent, has been asked
D. must send, have been asked
---___________ will the weather be like tomorrow?
--There will be a thunder storm. I don’t know _____ to do when the storm comes.
A. What, how B. How, what C. How, how D. What, what
--_________ can cormorants stay under the water?
--_________ up to two minutes.
A. How soon, For B. How often, / C. How long, For D. When ,For
--Have you tried to stop him __________eating too much junk food?
--Yes. But he still keeps ___________ eating a lot of fried chicken wings.
A. from, from B. from , / C. /, from D. for, from
.—Did you feel ______when you saw the old man moving the big stone?
--Although he was over 70,_______ he was strong enough to move the heavy stone.
A. surprised, / B. surprised, but C. surprising, but D. surprising, /