Students are required to go out in couples, especially in the evenings, with friends ______ they get into trouble．
| A．even if | B．if only | C．in case | D．when |
He was hit by a falling tree that night and killed ____________.
| A．on the spot | B．in a spot | C．under the spot | D．on a spot |
---- Excuse me, Madam. I wonder if this bus goes to the East Lake?
---- ___________. You should take Bus No. 521.
| A．Sure, it does | B．No, it isn’t |
| C．Oh, sorry, I’m afraid not | D．What a pity! It’s not true |
Unless you work as hard as you can, you won’t ______ your classmates.
| A．fall behind | B．keep on with | C．keep up with | D．catch up |
Don’t eat too much chocolate, or you can ______ weight quickly.
| A．put into | B．put out | C．put up | D．put on |
This is ______ most interesting story and I plan to read it ______ second time.
| A．a; a | B．a; the | C．the; the | D．the; a |