问题

It’s the fourth time that heavy smog(雾霾) has hit the city this month— It’s high time we _______ measures to fight air pollution

A:will take
B:took
C:to take
D:taking

正确答案是：

同类题型

There are some differences between American and British English, but do you know _____the differences came into being

He’s ever been abroad，

Reading newspapers is a good way to _________ current events.

______ straight on and you’ ll see a church You won’t miss it

.The committee ______ over theproblem among themselves for two hours.