Wash your hands with soap and water ___ after each contact with the sick person.
| A．occasionally |
| B．thoroughly |
| C．scarely |
| D．enough |
Generally speaking_______acording to the
instructions，the drug has no side effect.
| A．when taking | B．when taken | C．when to take | D．when to be taken |
Is that a book on farming?_______,I want to borrow it.
| A．So it is | B．If so | C．So is it | D．So if |
Wherego to spend our summer vacation this year?
| A．do you think can we | B．do you think we can |
| C．you think can we | D．you think we can |
_____, Carolina couldn't get the door open.
| A．Try as she might | B．As she might try | C．She might as try | D．Might she as try |
Either you or one of your students___to attend the meeting__ tomorrow.
| A．are; to be held | B．is；being held | C．is; to be held | D．are；having held |