I am _____ sure that I have told you that before.
| A．fairly | B．far | C．rather | D．pretty |
It ＿＿＿＿＿ that he was late for the train.
| A．loos | B．turns | C．gets | D．seems |
His mother ＿＿＿＿＿ teacher.
| A．became | B．has turned | C．came | D．proved |
His father ＿＿＿＿＿ that older than he really is.
| A．grows | B．appears | C．turns | D．becomes |
＿＿＿the people have become the master of their own country＿＿＿science can really serve the people.
| A．It is only then； that | B．It was that； when |
| C．It is only when； that | D．It was when； then |
—— Few children are as bright as he is, and also, he works very hard.
—— It’s no ＿＿＿＿＿ that he always gets the first place in any examination.
| A．question | B．doubt | C．problem | D．wonder |