Classrooms in some schools are equipped with seats that can be _____ to the height of a person.
| A．grown | B．adjusted |
| C．folded | D．expanded |
It was _______ the exam results were known _______ a lot of time on computer games.
| A．not until; did the boy begin to regret having wasted |
| B．until; that the boy began to regret to have wasted |
| C．not until; that the boy began to regret wasting |
| D．until; did the boy begin to regret to waste |
It was not until she collected enough material to create her new novel.
| A．did she begin | B．when she began |
| C．that she began | D．that did she begin |
_______it rain tomorrow. we would have to cancel the football match.
| A．Were | B．Would | C．Will | D．Should |
—____ you got the news that the rocket was sent up successfully?
—From the radio.
| A．How was it that | B．How it was that |
| C．What was it that | D．What it was that |
—Were all the passengers on the bus injured in the accident? —No, _______ only the four who got hurt.
| A．there was | B．there were | C．that was | D．it was |