---Where is mother? ---She is in the kitchen. She ___ the dinner for the party the whole afternoon.
#103022
A
is preparing
B
was preparing
C
has preparing
D
has been preparing
推荐题目
Ladies and gentlemen, please fasten your seat belts. The plane__________.
#102288
A
takes off
B
is taking off
C
has taken off
D
took off
It is getting colder. I hope the sudden change of climate _____ you.
#100467
A
don’t upset
B
didn’t upset
C
hasn’t upset
D
won’t upset