—Could you tell me ?
—About two hours.
| A．how long it takes to fly to Guilin |
| B．how long it took to fly to Guilin |
| C．how long does it take to fly to Guilin |
| D．how long did it take to fly to Guilin |
We should do exercise as _______ as possible to keep _______.
| A．more; healthy | B．much; health | C．more; health | D．much; healthy |
We should do everything we can _______ the birds _______ danger.
| A．to protect; away | B．to protect; in | C．protecting; in | D．protected; from |
My scarf made of silk feels _______ and _______. Ms. Cao also wants to buy one like mine.
| A．softly; comfortable | B．soft; comfortable |
| C．soft; comfortably | D．softly; comfortably |
There are _______ visitors to the wetland park, and the number is becoming _______ now.
| A．thousand of; larger and larger |
| B．thousands of; more and more |
| C．thousands of; larger and larger |
| D．thousand of; more and more |
—My son seldom has _______ breakfast.
—It is _______ unhealthy lifestyle. You must ask him to change it.
| A．/; an | B．the; an | C．the; a, | D．/; a |