_____ lie in the sun for too long, _______ you will get sunburnt.
| A．Not; and | B．Don’t; otherwise | C．Shouldn’t; for | D．Let’s not; and |
22. --- No, I’m afraid he isn’t in. This is his secretary speaking. Can I help you?
--- _______.
| A．Oh, you will | B．Oh, that’s a pity |
| C．I should think so | D．Well, I look forward to hearing from you |
23. _______ the plane have taken off on time?
--- I’m afraid not. The fog was too thick then.
| A．Would | B．Should | C．Can | D．Must |
24. The car ran into a crowd of middle school students, _______ to hospital immediately.
| A．two of whom sent | B．two of them sent |
| C．two of whom are sent | D．two of them sending |
25. The sooner one _____ to the new working conditions, the better it will be _______ his working efficiency.
| A．adapts, for | B．adopts, to | C．adjusts, to | D．admits, for |
26. After having finished mopping the floor, he puts the mop back ______ it belonged.
| A．where | B．to where | C．to which | D．to the place |