He was told that it would be at least three more months _______he could recover and return to work.
| A．when | B．before |
| C．since | D．that |
It was so dark in the cinema that I could hardly ______ my friend.
| A．turn out | B．bring out | C．call out | D．pick out |
—Time is limited. I have to finish this tonight.
—But it’s midnight now and you should have a sleep ______ much work you have to do.
| A．however | B．no matter | C．although | D．whatever |
—Robert is indeed a wise man.
—Oh, yes. How often I have regretted ______ his advice!
| A．to take | B．taking | C．not to take | D．not taking |
Occasions are quite rare _______ I have the time to spend a day with my kids.
| A．who | B．that | C．which | D．when |
—Was it by cutting down staff _____ she saved the firm?
— No, it was by improving work efficiency.
| A．when | B．what | C．how | D．that |