------Mum，can I go out to play with Tom for just a while ？
------ _______ and do what you like.
| A．No way | B．Go ahead | C．It depends | D．Don’t worry |
—Believe it or not，my sister and I are twins.
—Oh，you must have had the case________you were taken for your sister.
| A．which | B．whose | C．where | D．whom |
-I expect everything will turn out as you wish.-_______.
| A．The same to you? | B．All right |
| C．I’d like to | D．Certainly |
Sam has been appointed ________ manager of the engineering department to take ________ place of George.
| A．/，/ | B．the，/ | C．the，the | D．/, the |
With the loss of labor，the old farmers ________at home had to choose less laborintensive crops.
| A．having left | B．to leave | C．left | D．leaving |
Many old houses have beento make way for new roads.
| A．torn up | B．torn down | C．torn into | D．torn off |