The salesman showed her several MP3s and she chose ________ one as she didn't want to spend too much money on it.
| A．the less expensive | B．less expensive |
| C．the least expensive | D．least expensive |
The house caught___fire last night but no one knows who set ___fire to it.
A. X；X B.X;a C, a; a D, a; X
The humans are destroying nature day by day,__________of course,will cause severe punishment from it sooner or later.
| A．who | B．when |
C．on which | D．Which |
.The final examination is coming up soon. It's time for us to ____our studies.
A, get down to B, get our C, get back for D, get over
---What do you think of the book?
---Oh,excellent. It's worth____a second time.
A. to read B.to be read
C, reading D,being read
---Have you ____some new ideas?
---Yeah. I'll tell you later.
| A．come about | B．come into |
| C．come up with | D．come out with |