单项选择题
W: Is your family big M: Not very. It is better to say "very small". I’m single.
A. He is married. B. He is a bachelor. C. He has a small house. D. He only has one child.
A. 我现在必须花两倍的时间,为的是赶上别人。 B. 我现在必须加倍努力,与别人保持同步。 C. 我面对双重困难,依然不落后他人。 D. 我现在必须加倍努力才能超过别人。