—I wonder why Mr Green hasn't showed up at the meeting yet.
—I'm not sure，but he________in a traffic jam driving here.
| A．could be stuck | B．might have been stuck |
| C．might be stuck | D．must have been stuck |
–Julia has moved to a nuring home recently ?
--oh , really? I _____know. I _____go and visit him by and by.
| A．didn’t , am going to | B．don’t , would | C．didn’t , will | D．don’t , will |
Edward , you play so well. But I _____you played the piano.
| A．didn’t know | B．hadn’t known | C．don’t know | D．haven’t known |
昨日重现四------时态语态
-- You speak very good French!
--Thanks. I ____French in Sichuan University for four years.
| A．had studied | B．study | C．was study | D．studied |
—Did Jack come back early last night?
—Yes, It was not yet eight o’clock _____ he arrived home.
| A．before | B．when | C．that | D．until |
This is a very interesting book, I’ll buy it,______.
| A．how much may it cost | B．no matter how it may cost |
| C．however much it may cost | D．how may it cost |