They were talking about the persons and things _______ they saw in the factory.
| A．which | B．that |
| C．what | D．they |
The magazine __________ be Lily’s， for we can find her name on the cover.
| A．can | B．might | C．could | D．Must |
— Are you sure you have to ? It’s been very late.
— I don’t know __________ I can do it if not now.
| A．where | B．why | C．how | D．When |
He turned __________ the TV a little because his father was asleep.
| A．up | B．on | C．off | D．down |
__________ is it from Wuxi to Sanya and how much does it __________ to fly there?
| A．How long； take | B．How far； cost |
| C．How soon； spend | D．How far； take |
—When shall we go on our school trip?
—__________.
| A．Not until next week | B．Till next week |
| C．For next week | D．Nearly a week |