—Were you late ________ the meeting?
—No, I arrived there ten minutes________ the meeting started.
| A．for ; before | B．at ; before |
| C．for ; till | D．at ; after |
The light is on in Mr. Green’s room. He _______ be at home.
| A．must | B．can | C．mustn’t | D．can’t |
A new supermarketin my hometown last month.
| A．built | B．has built | C．was built | D．is building |
—Excuse me. Could you tell me ______________ get to the airport?
—Certainly. Go straight along here.
| A．how can we | B．how we can | C．when can we | D．when we can |
Friends are those__________ make you smile，always open their hearts to you and encourage you to succeed
| A．which | B．what | C．whom | D．who |
Mike is only 15 years old. He is not _____________ to get a driver’s license.
| A．old enough | B．enough old | C．young enough | D．enough young |