. When your parents haven’t ____your letter for a long time,they will worry about you.
| A．heard | B．heard from | C．received | D．accepted |
There seemed to be no human beings in that village, and the only ______ of life was a boat tied to a tree.
| A．symbol | B．mark | C．signal | D．sign |
Don’t you think the flowers here are more fresh than ______ on the table?
| A．that | B．them | C．those | D．which |
I have to go to the new building under_____ construction, and can you give me _____ lift?
| A．a, a | B．a,/ | C．/, a | D．/,/ |
---Where is the nearest hospital?
--- Not very far. It is _________.
| A．within an hour’s flying time | B．within 10 minute’s walk |
| C． within 5 minutes’ drive | D．within 10 minutes walk |
---Are you going to Tom’s birthday party?
--- _______. I might have to work.
| A．It depends | B．Thank you | C．Never mind | D．Sounds great |