—I think trees ____________ twice a week in such hot weather.—Yes, I agree. Or they may die without water.
#36181
A
must water.
B
are watered.
C
must be planted.
D
must be watered.
推荐题目
Annie ______ to the party. She had a wonderful time with us.
#39088
A
invites
B
is invited
C
was invited
D
has invited
—What has happened in your hometown?— Great changes _____ in my hometown recently.
#41510
A
have been taken place
B
have taken place
C
have been happened
D
was happened