_______is really difficult for them_______the mountain.
| A．This,climbing | B．This,to climb |
| C．It,to climb | D．It,climbing |
---You look sad. What happened ?
---I can’t find a way ________ the students quiet.
| A．to keep | B．keep | C．keeps | D．keeping |
–Could you help me take the bag to the room?
--- __________.
| A．No problem | B．I hope so |
| C．That’s all right | D．That’s a good idea. |
Han Han is a popular writer. His new book _________ last September.
| A．came up | B．came in | C．came out | D．came on |
I know it’ll _____ me much time to practice it, but I’m sure I can learn a lot from it.
| A．spend | B．use | C．take | D．pay |
----I wondered _________.
----He went to Beijing for vacation.
| A．where did he go | B．where does he go |
| C．where he went | D．where he goes |