题目内容
--- This must be a footprint of a tiger.
--- It ____ be. A tiger’s should be much larger and deeper than this.
--- It ____ be. A tiger’s should be much larger and deeper than this.
| A.mustn’t | B.won’t | C.shan’t | D.can’t |
D
试题分析:考查情态动词。A不可以;B将不;C将不,常用于第一人称;D不可能。句意:——这一定是老虎的脚印。——不可能,老虎的脚印应当比这脚印要大得多、深得多。故D正确。
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