The heart is believed to _____blood into veins(血管) which are netted all over the body, thus keeping a person alive.
| A．give | B．donate | C．circulate | D．pump |
. After so many days on the way, even Charles cheered up at the _____ of the food.
| A．look | B．sight | C．sign | D．appearance |
Never _________ he loved us children. But we knew. And we never said it to him.
| A．had he said | B．did he say | C．had said he | D．said he |
—What about going out this evening?
—Oh, I don't know. I've got a bit of a headache. And, John’s coming to see me, so I ought to stay in.
| A．though | B．therefore | C．however | D．anyway |
Pleasant as they made it_____,we still felt tired after the long journey.
A to travel B traveling C traveled D travel
.This piece of evidence doesn’t _______ what the other witness said. We have to conduct a full investigation.
| A．fit in with | B．keep up with | C．come to terms with | D．stay in touch with |