---Mr. Smith, he have all these letters typed for you right away?
---He . They should be ready by 10 o’clock this morning.
A. will; must
B. shall; has to
C. need; will
D. would; ought to
网友回答
A. will; must
(答案→)B. shall; has to
C. need; will
D. would; ought to
解析：这题考查情态动词：第一空填写Shall，用于第三人称，表示征求意见，所以问句是：斯密斯先生，他可以现在为你打这些信吗？根据答语部分的：They should be ready by 10 o’clock this morning.它们早上10点前要打好，说明是得不这么做。选B。