——What do you think of our school basketball team?——They’re going to lose the match __________ they improve their skills.
| A．unless | B．until | C．if | D．As |
—I have never been to the Great wall.
—If you have an opportunity _______ there, you must take it.
| A．to go | B．to going | C．going | D．go |
There was _____ woman in the room, sitting and looking at me in the dark.
| A．a 80-year-old | B．an 80-year-old | C．a 80-years-old | D．an 80-years-old |
-----_______good time we had at the party last night!
-----Yes. It was________ exciting party that I would never forget it.
A. What a; such an B. How ; such C. What; so
.He said that he____________ to Canada a few years ago.
A. had been to B. have been to C. went
I don’t know if he ________ back tomorrow. If he ______ back, I’ll let you know.
A. comes; will come B. will come; came C. will come; comes