摘要： -Look at these tracks. It be a wolf. -It needn't be. It be a fox. A. must ; could B. may ; might C. need ; must D. could ; need
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—Look at these tracks. It __________ be a wolf.
—It needn't be. It ___________ be a fox.
A. must; could B. may; might
C. need; must D. could; need
查看习题详情和答案>>—Look at these tracks. It __________ be a wolf.
—It needn't be. It be a fox.
A. must ; could B. may ; might
C. need ; must D. could ; need
查看习题详情和答案>>—Look at these tracks. It __________ be a wolf.
—It needn't be. It _______be a fox.
A. must ; could B. may ; might
C. need ; must D. could ; need
查看习题详情和答案>>