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

win the competition, she devoted herself to getting ready for it.

Each man and woman ______ the samerights

When the fire________，the people in thebuilding lost their head and ran in all directions

It’s ________ today. You’d better ________ to the museum.

9,500 drivers sincethe beginning of the year, 23% were found lacking roadknowledge.