— ____can we board our plane? — In twenty minutes.
A.How soon B.How long C.How often
— You look so sad. What happened?
— The exam _____ to be much harder than I thought.
| A．put out | B．broke out |
| C．turned out | D．found out |
More and more couples would rather _________ a second baby __________ their first child can feel less lonely.
| A．have; so that | B．have; in order to |
| C．to have; in order to | D．to have; so that |
________we had at the party!
| A．How wonderful time | B．What wonderful time |
| C．How a wonderful time | D．What a wonderful time |
You can’t believe how terrible the fire is _______ you see it with your own eyes.
| A．though | B．because | C．unless | D．since |
---________ it is from our own planet Earth to Mars!
--- Yes, it takes months to travel to Mars by spacecraft.
| A．How soon | B．How far |
| C．How long | D．How often |