Is it normal that in September hotels near universities are overcrowded, _____ many parents from a distance nowhere to stay but to sleep on the playground ?
| A．to leave | B．left | C．leaving | D．leave |
Peter has many friends，______can help him .
| A．few of which | B．few of whom | C．few of that | D．few of them |
He is always helping people without expecting anything________.
| A．in charge | B．in turn | C．in trouble | D．in return |
------Shall I give you a ride as you live so far away?
------Thank you，________.
| A．it couldn’t be better | B．of course you can | C．if you like | D．it’s up to you |
There might be life on other planets, but so far scientists haven't found enough ________ to prove it.
| A．evidence | B．relic | C．mystery | D．reception |
If you go there by ____train ,you can have quite a comfortable journey ,but make sure you get ___fast one.
| A．/; / | B．/; a | C．the; a | D．the ; / |