问题

There are some health problems that, when _____ in time, can become bigger ones later on.

A:not treated
B:not being treated
C:not to be treated
D:not having been treated

正确答案是：

同类题型

Peter is very tired, ____________he went to bed early.

This pair of shorts ______ Eric’s.

Would you please _______ so much noise—Oh, sorry, I won’t.

The officials of the National Ministry of InformationIndustry advise people to limit the personal information theymake about themselves online．

The conflict had developed into a stage______ the two countries were gathering big troops on the border.