____ we can’t remove our troubles in life for ever,we can leave them behind when we are on vacation.
| A．When | B．While |
| C．Unless | D．Until |
As is known to all, Montreal is the second largest French-speaking city in the world, _______.
| A．Paris is the largest | B．Paris being the largest |
| C．Paris to be the largest | D．Paris be the largest |
The dinner party was a success, but we thought it was a pity not ________you.
| A．invite | B．to invite | C．inviting | D．to have invited |
This company is going to ________some 160 employees because of the drop in sales.
| A．lay off | B．lay aside | C．lay down | D．lay out |
Our teachers do believe that all the students in our school will do well in the coming college entrance examination, _______?
| A．don’t they | B．will they | C．won’t they | D．do they |
—So when did you meet Joan?
—It was last Sunday _______ she came to visit my sister.
| A．that | B．since | C．when | D．Before |