You should cut______an onion and a tomato first and then put them_____the blender.
A.up,into B.down, into C.up,on D.down,on
—What' the next step?
—Oh,please put some meat between two________of bread.
A.piece B.piece's C.pieces D.pieces'
—Will there be more tall buildings in 50 years?—________.
A.No,there isn't B.No,they aren't
C.No,there won't D.No,they won't
—________will your father come back,Tony? —In three days.
A.How long B.How soon C.How D.How many
I'm sure that there____more trees in our country in the future.
A.have B.are C.will have D.will be
—Mike,you________play the piano well if you don't work hard.
—I know,Mom.
A.don't B.won't C.doesn't D.didn't