Several weeks had gone by _______ we realized the painting was missing.
| A．as | B．since |
C．before | D．when |
At first he refused to admit he had stolen but when he was shown the videotape he ______ and admitted everything.
| A．broke down | B．broke away | C．broke up | D．broke in |
—What do you think of the film 20
12？
—Well, it’s good. At least it’s ________ the one I saw last time with Jean.
| A．as bad as | B．not as good as | C．no worse than | D．not better than |
We shouldn’t think the question of ________ they are poor or rich is important.
| A．what | B．whether | C．why | D．how |
—Can you hand in your composition tomorrow?
—Sure. ________ it handed in on time, I’ll stay up tonight.
| A．To have got | B．Having got | C．To get | D．Getting |
_______ your opinions are worth considering, the committee finds it unwise to place too much importance on them.
| A．As | B．Since | C．Once | D．While |