—Shall we go out for a swim?—Sorry, I can’t. I ______ housework for my mother now.
#42129
A
am doing
B
is doing
C
are doing
D
did
推荐题目
John ________ to Japan on business. He’ll be back ________ a few days.
#39675
A
goes; in
B
went; after
C
has gone; in
D
go; after
—Is your father in ?—No, he _______ for three days.
#41717
A
was out
B
has been out
C
went out
D
have gone out
-- ________ you _______ the football match yesterday?--Yes, I did. lt was great.
#41749
A
Did; see
B
Have; seen
C
Will; see
D
Were; seen
Look! The workers some subways now. The traffic in Hefei will be better soon.
#36476
A
build
B
are building
C
built
D
were building
There __________great changes in our hometown in the past fifteen years.
#37191
A
has been
B
have been
C
was
D
were