The drug used to treat this disease causes bad side effects, some of which ________ deadly.
| A．is | B．are |
| C．was | D．were |
One needs to work hard to realize his or her dream，as the saying goes”Hard worksuccess”．
| A．1ies in | B．results from |
| C．1eads to | D．begins with |
The boss requires that John —————— at the company by ten．
| A．is | B．will be | C．be | D．would be |
---Is Mary still performing?
----I’m afraid not. She is said_____ the stage already.
| A．to have left | B．to leave | C．to have been left | D．to be left |
---Where did you get to know her?
----It was on the farm______ we worked.
| A．that | B．when | C．which | D．where |
I feel uncomfortable each time I remember the situation _____ Mary didn’t agree with me _____ the matter.
| A．that; at | B．in which; over | C．which; about | D．where; to |