动词填空 用所给动词的适当形式填空
It is important for us to do something _______________ (stop) sandstorms.
—Did you see a girl in red pass by just now?
—No, sir. I _______________ (discuss) the new plan with my classmates.
I heard someone _______________ (scream) for help while I was walking around the lake.
There _______________ (be) a strong sandstorm in the north of Beijing next Saturday, isn’t there?.
Will_______________ (drink) a glass of water before meals helps me lose weight?
He _______________ (mop) the floor for her mother at 4 p.m. yesterday.
It _________(rain) hard outside. Why not stay at home to enjoy the new movie?.
Sandstorms were getting more and more serious and _______________ (cause) a lot of problems.