问题

Many things _____ impossible in the pastare quite common nowadays.

A:occasionally
B:considered
C:to be considered
D:considering

正确答案是：

同类题型

Experts say it is an international trend to __________ MP2.5 to check air quality.

c.uses D.spends

What are you busy doing these days—-I______ study for the coming exam.

Lady Gaga has put off her concerts because of the difficulties by the ongoing strikes.

She’s _____________ girl.