题目内容
一Shall we go out for a walk?
—I’d love to，but I can’t．I _________my baby．
A．look at B．am looking at C．am looking after D．look after
C
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一Shall we meet at the station at 8 am?
—In fact, we _______. The train _______ until l0 a.m.
—In fact, we _______. The train _______ until l0 a.m.
| A．mustn’t; doesn’t leave | B．mustn’t; leaves |
| C．needn’t; won’t leave | D．needn’t; will leave |