It is good manners to eat up_______is left in your plate.
| A．that | B．what | C．which | D．all |
The professor along with his assistant came in, ________ by a group of excited students.
| A．follow | B．following | C．followed | D．to follow |
Nobody noticed the thief enter the house because the lights happened to _______.
| A．go over | B．go through | C．go on | D．go out |
The headmaster suggested that a good preparation ________ ahead of time.
| A．must be made | B．should be made | C．will be made | D．can be made |
--- What is that wonderful smell?
--- Our neighbor ________ for a party.
| A．have prepared | B．are preparing | C．prepare | D．will prepare |
He hardly reads English out aloud at home, ________?
| A．doesn’t he | B．isn’t he | C．is he | D．does he |