Good food，good sleep，no exercise．That’s he gained weight．
| A．how | B．when | C．what | D．whether |
In order to finish the experiment successfully, the professor always _________, for every day the light in his room didn’t go out until 4 a.m.
| A．mixed up | B．cleaned up | C．turned up | D．stayed up |
“I don’t think it’s my ________ that the TV blew up (爆炸). I just turned it on, that’s all,” said the boy.
| A．error | B．mistake | C．fault | D．duty |
You’d better cut your hair short. Our school doesn’t __________ long hair.
| A．approve of students wearing | B．approve students to wear |
| C．approve students wearing | D．approve of students to wear |
― How do you like your English professor?
― He has lots of interesting _______ abroad, and in a word, he is a teacher of rich
_________.
experiences, experiencesB. experience, experience
C. experiences, experienceD. experience, experiences
Mr. Black decided to give up his farm and devoted all his time to_______those children living on the street.
| A．help | B．being helped | C．be helping | D．helping |