—Are these doctors and nurses tired, Mr. Smith?
—Yes. ________. They have been operating on the patient for at least 10 hours.
| A．They’re exhausted! | B．You must be joking! |
| C．I’m not surprised! | D．They are really tired of it! |
What do you think _____ do to protect wildlife?
| A．should we | B．we should | C．it we should | D．it is we should |
I have to go to work by taxi because my car ____ at the garage.
| A．will be repaired | B．is repaired | C．is being repaired | D．has been repaired |
My neighbor’s daughter changed so much that I didn’t ____ her at first sight.
| A．realize | B．recognize | C．research | D．reserve |
He had _____ me to come to the party, but he didn’t show up.
| A．allowed | B．promised | C．wanted | D．advised |
E-mail, as well as telephones, _____ an important part in daily communication.
| A．is playing | B．have played | C．are playing | D．play |