问题补充:
--I’m worried about my English.
-- harder you will catch up with your classmates.
A. Working; and
B. To work; or
C. Work; and
D. Worked; or
答案:
A. Working; and
B. To work; or
(答案→)C. Work; and
D. Worked; or
解析:本题考查祈使句及连词的用法。祈使句是以动词原形开头,故用Work; and意为“然后”;or意为“或者”,答语句意“努力工作然后你将赶上你的同学”。故选C。