．_________you don’t go there is none of my business .
A．What B．Who C．If D．Whether
One learns a language by making mistakes and_________them .
A．correct B．corrects C．correcting D．to correct
．I will do what I can_________ the people in trouble .
A．help B．to help C．help D．helped
The teacher told us that water_________at 100℃ .
A．is boiled B. boiled C. was boiled D. boils
．It was three o’clock_________we finished the work .
A．where B．by which C．when D．since
—Which do you like , tea or coffee ?
—_____________.
A．I like it very much B．Yes , I like coffee
C．Tea , please D．Thank you
