Not until he left his home ______ to know how important the family was for him.
| A．did he begin | B．had he begun | C．he began | D．he had begun |
He’s got himself into a dangerous situation ________ he is likely to lose control over the plane.
| A．where | B．which | C．while | D．why |
What surprised me was not what he said but _______ he said it.
| A．the way | B．in the way that | C．in the way | D．the way which |
—Sorry to hurt you.
—_______. You didn’t mean to, did you?
| A．Forget it | B．No problem | C．All right | D．Don’t say so. |
Whenever you enter the reading room, you can find all the students _____ at their desks, with their attention _____ on the books, except Tom.
| A．sitting, fixing | B．to sit, fixed | C．seating, fixing | D．seated, fixed |
Tom joined a dancing group but didn’t seem to , so he left.
| A．show off | B．go up | C．fit in | D．come over |