______ is even more important is ______ as the earth cooled down, water began to appear on its surface.
A. What, that B. That, what C, That, that D. What, what
______ Mary found her lost pen the day before yesterday?
| A．Where do you think it was that | B．Do you think where it was that |
| C．Do you think it was where that | D．Where you think it was that |
It is bad ______ to talk with your finger ______ at the other person.
| A．manners; to point | B．manner, to point |
| C．manners, pointing | D．manner, points |
Going on a trip into ______ space must be quite ______ exciting experience.
| A．/ ; the | B．the; a | C．the; an | D．/ ; an |
Our teacher looked here and there on our playground ______ looking for something.
| A．even though | B．even if | C．as if | D．only if |
---Shall I give you a ride as you live so far away?
---Thank you. ______.
| A．It couldn’t be better | B．Of course you could |
| C．If you like | D．It’s up to you |