It was not until she got home ______ Jennifer realized she had lost her keys.
| A．when | B．that | C．where | D．before |
He made a mistake, but finally he solved the problem __________ it got worse.
| A．until | B．before | C．when | D．as |
---- So he wants to sell the house and move to New York.
----_________.
| A．I agree | B．No problem | C．What fun | D．Exactly |
Mr. Lee made ______ a rule that we must come to school on time.
| A．that | B．this | C．it | D．which |
The area soon ______ from the effects of the earthquake.
| A．suffered | B．recovered | C．concerned | D．set |
When ______ help, one always says “Thank you” or “It’s very kind of you”
| A．offering | B．offered | C．to offer | D．offer |