— Kitty, do you know ______?
— Sure, about forty minutes.
A. when did their class meeting begin.
B. where their class meeting was held
C. how often their class meeting is held
D. how long their class meeting will last
I can’t find my milk in the fridge now, but there ______ some just now.
A. isB. was
C. areD. were
— We’ve never ______ astronauts’ life though we’re interested in.
— Really? I’ll offer you some books about it.
A. thought aboutB. chatted about
C. learned aboutD. cared about
— Jane. I can't find Mike in the playground.
—Oh. He ______ the piano in the music room.
A. is playingB. was playing
C. has playedD. will play
—Simon. I hear you are going abroad for further study. Have you decided ______?
—Next September.
A. when goingB. when to go
C. how goingD. how to go
—Dad, shall we go to the World Park tomorrow?
—Sorry. I won’t be free, but you ______ ask Mum to go with you.
A. mustB. may
C.wouldD. should