—How long does it take to get to the airport?
—Forty minutes. But it’s foggy today. I’m not sure the highway will closes soon. Let’s set off earlier.
| A．whether | B．when | C．how | D．why |
We must try ______ best to make our city more beautiful.
| A．our | B．ours | C．we | D．us |
Loud music may make people ____ fast.
| A．to eat | B．ate | C．eat | D．eats |
Mary used to get up early in the past, __________ ?
Can you tell me ______ learn a foreign language well ?
| A．what to | B．how to | C．what I can | D．how can I |
—Jim enjoys listening to pop music.
—.
| A．So does Helen. | B．Also is Helen |
| C．Helen likes also | D．So Helen does |