He remained calm ________ nothing had happened,______ astonished all of us.
| A．as though; which | B．as if; what | C．even if; who | D．so that; that |
It was last night ________ I saw the comet.
| A．the time | B．when | C．that | D．which |
—Did Linda see the traffic accident?
—No，no sooner ________ than it happened.
| A．had she gone | B．she had gone |
| C．has she gone | D．she has gone |
________you said at the meeting describes a bright future for the company.
| A．When | B．How | C．What | D．That |
From space, the earth looks blue.This is ________about seventyone percent of its surface is covered by water.
| A．why | B．how | C．because | D．whether |
The only way to succeed at the highest level is to have total belief ________ you are better than anyone else on the sports field.
| A．how | B．that | C．which | D．whether |