－What do you think of Peter?
－He is a helpful person. He is always helping people without expecting anything_______.
| A．in turn | B．in return | C．on his turn | D．on the turn |
You can get the best result ________ you carry out the experiment under the desired conditions.
| A．what if | B．even if | C．only if | D．as if |
---You’ve finished off two pizzas!
---Yes. But the second is ___________ little bit small, so may I have __________ third one?
| A．a; the | B．不填; a | C．不填; the | D．a; a |
The officer insisted the young girl______a thief and ordered she______free.
| A．was not；be set | B．should not be；be set |
| C．was not；was to be set | D．was not；set |
I have to see the doctor because I a lot lately.
| A．have been coughing | B．had coughed | C．coughed | D．cough |
Considering his health, I advise him to ______ an hour or two each day to work out.
| A．set about | B．set off | C．set up | D．set aside |