Our knowledge of computers __________ growing all the time.
#52175
A
be
B
is
C
are
D
were
推荐题目
He _________ long curly hair but my hair ______ very straight and short.
#59247
A
used to be, used to have
B
used to have , used to be
C
used to be, used to be
D
used to have , used to have
Did he _____ much money for the car?
#58677
A
cost
B
pay
C
spend
D
take
 —Sally failed in this math test. She is very sad now.—Let’s go and_______.
#58914
A
laugh at her
B
cheer her up
C
let her down
D
learn from her