问题

Nowadays, there arises growing concern over the issue of tainted vaccine(被感染的疫苗) ________ around China.

A:swept
B:sweeping
C:to sweep
D:having swept

正确答案是：

同类题型

Which is ______________, a village, a town, a city

Uncle will_______ his old books_______ to kids in West China.

下列各句中，表达得体的一句是

We are all told to take part in the dish—eating up Campaign . So everyone should _____ the dishes they ordered .

Bob has gone to Califonia.—Oh, can you tell me when he ?