问题

Why are the tax collectors so busy?——Many people prefer to have their tax forms completed by a professional rather than ___.

A:do it themselves
B:doing it themselves
C:to do it themselves
D:done by themselves

正确答案是：

同类题型

There is not enough food for the dinner party. We need _______.

I know you have eaten all sorts of junk foodyour mother and I probably _____ you have

His sister’s never been to the Summer Palace, _______

My school life ___________in thepast few years.

is the result of the survey—15% of those surveyed worry that in the long termchildren _________ be more dependent on their parents, which does no good to them.