— I went to Mount Wudang with my five friends in one small car last weekend.
— Oh,my God! I think it ______ be an uncomfortable trip.
情态动词
must 意为“必须”；can't 意为“不可能”；may 意为“也许”；shouldn't 意为“不应该”；
用所给词的适当形式填空。
1.There's something(value) in my bag,so I take it with me all the time.
2.They had fun(play) computer games in the computer room.
3.Don't be so(noise)! A baby is sleeping.
4.Some(police) went to the scene and searched ofr more details.
5.If you don't have enough sleep at night,you will feel(sleep) the next day.
— Listen! Who is singing in the next room?
— It must be Sally. I often hear her _____ there.
hear sb.doing sth 意为“听见某人正在做某事”；强调听到的动作经常发生或听到动作的全过程。由句中的often 可知，此处表示“听到的动作经常发生”，故选D.