All the preparations for the project ______, we’re ready to start.
| A．completed | B．have been completed |
| C．had been completed | D．been completed |
The teacher, with 6 girls and 8 boys of her class, _________ visiting a museum
when the earthquake struck.
| A．was | B．were | C．had been | D．would be |
–---You look so tired. Why not have a rest?
-----_________.
| A．Because I can’t afford it | B．Sorry I can’t |
| C．Thanks | D．Maybe I should |
_______ I accept that he is not perfect, I do actually like the person.
| A．While | B．Since | C．Before | D．Unless |
We were swimming in the lake ________ suddenly the storm started.
| A．when | B．while | C．until | D．before |
There were dirty marks on her trousers _________ she had wiped her hands.
| A．where | B．which | C．when | D．that |