The teacher looked at the student with a smile as if ______ him to answer the question.
| A．expected | B．to expect | C．expecting | D．expect |
I visite Zhangjiajie during the summer vacation .It’s a pleasant trip, ____I’ll never forget.
| A．one | B．what | C．it | D．that |
Your coat is identical _____mine. No wonder you took it ____mistake.
| A．to ; for | B．as ; by | C．as ; for | D．to ; by |
----If a new difficulty ______, what would we do ?
-----Don’t hesitate to turn to us .
| A．is arisen | B．will be arisen | C．arose | D．would arise |
If I remember correctly， _______was ten years ago that your brother went to Canada.
| A．this | B．which | C．as | D．it |
——Did you stay up very late last night?
——No，It was not 10 o’clock yet ____I went to bed.
| A．when | B．until | C．that | D．while |