The machine might break down someday in the future, ____, you can dial this number for help.
| A．in that case | B．in what case |
| C．in which case | D．in whose case |
------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 ; / |
--Mom, guess what? I’ve won the 1st prize!
---Thisa celebration! Let’s go to prepare a party．
| A．helps out | B．works out |
| C．calls for | D．pays for |
--How dangerous it was !
---Yes, but for the passer-by’s quick action,the girl _____ .
| A．had been drowned | B．might be drowned |
| C．would have been drowned | D．must have been drowned |