Research __________ out by several experts suggests that the oil spill in the Gulf has caused the fatal damage to the environment.
| A．to carry |
| B．carrying |
| C．being carried |
| D．having carried |
—Are you free tomorrow afternoon?
—I'm afraid not. I'll have to __________ an important lecture given by a famous professor.
| A．join | B．take part in |
| C．attend | D．enter |
—Pity you missed the lecture on nuclear pollution.
——I __________ it, but I was busy preparing for a job interview.
| A．attended | B．had attended |
| C．would attend | D．would have attended |
—How do you do, Mr Smith? Thanks for meeting me here.
—You are welcome. You must be __________ after a long walk.
| A．exhaust | B．exhausted |
| C．exhausting | D．having exhausted |
We had a long and __________ meeting this morning. All of us were __________.
| A．exhausted; exhausted | B．exhausted; exhausting |
| C．exhausting; exhausted | D．exhausting; exhausting |
Premier Wen Jiabao has many important __________ of state __________.
| A．affairs; to deal with | B．events; to be dealt with |
| C．incidents; to deal with | D．things; to be dealt with |