The computer system_________ suddenly while he was watching news on the Internet.
| A．broke out | B．broke in |
| C．broke up | D．broke down |
—Are you satisfied with what he did?
—No. It couldn’t have been _____.
| A．worse | B．better | C．so bad | D．the worst |
This year __________ to be another good one for harvests.
| A．tells | B．means | C．promises | D．intends |
Perhaps it is true that nobody in the world knows exactly how the earth __________.
| A．came up | B．came out | C．came to power | D．came into being |
—Why don’t we choose that road to save time?
—The bridge to it __________.
| A．has repaired | B．is repaired |
| C．is being repaired | D．will be repaired |
Don’t be so upset. It won’t be ___________ your children can return to school again.
| A．long before | B．long ago | C．before long | D．long |