—Who is the man in black over there?
—Mr. Smith. He teaches math.
A.we B.our C.us D.ourselves
—Would you mind turning down the music? I'm trying to solve the math problem.
— . I'll do it in a second.
A.Sure
B.Of course not
C.That sounds impossible
D.Never mind
I miss my dad very much. Do you know ________？
A.how he will come back
B.how he comes back
C.when he will come back
D.when he comes back
Mr. Black works in a factory ________ produces robots.
A.who B.when C.which D.what
I can't read the map. Please tell me ________ there.
A.how to go B.when to go
C.what to go D.which to go
Tom has no idea ________ during the coming summer holiday. He hasn't made up his mind.
A.what he does B.what he will do
C.how he does D.how he will do
