—— I can’t get through to the general manager’s office anyhow.
—— The line is busy. Someone _____ the telephone.
A. must use B. uses C. must have been using D. must be using
I don’t think the snow will _____ our plans for a picnic.
A. affect B. effect C. infect D. influence
Sarah hopes to become a friend of _____ shares her interests.
A. anyone B. whomever C. whoever D. no matter who
Phillip, can you see something red _____ in the distance on the water?
A. Floated B. float C. being float D. floating
The traffic light is red, so I _____stop my car.
A. must B. have to C. can D. mustn’t
It was in the lab____ was taken charge of by Mr Harris ____ they did the experiment.
A. which; that B. that; which C. which ; where D. that; who
