It is on 1st Sept. ________ students go back to school every year.
| A．when | B．that | C．who | D．what |
John opened the door. There_______ he had never seen before.
| A．a girl did stand | B．a girl stood |
| C．did a girl stand | D．stood a girl |
_______over everything whenever we want to make a decision, many people believe, and we will have less chance of making mistakes.
| A．Think | B．Thinking | C．To think | D．Thought |
—Do you know _______ they got to know each other?
—It was last year_______ they both taught Chinese in Scotland.
| A．When it was that, when | B．when it was that, while |
| C．When it was that, that | D．When it was that, as |
At the meeting they discussed three different ________to the study of math.
| A．approaches | B．methods | C．means | D．ways |
It seemed only seconds ________ the boy finished washing his face.
| A．the moment | B．since | C．after | D．before |