Li Yuanshen and I ________ good friends.
#44102
A
be
B
is
C
am
D
are
推荐题目
The number of foreign students attending Chinese universities ________ rising steadily since1990.
#86347
A
is
B
are
C
has been
D
have been
One in five humans ___ access to safe drinking water by 2080.
#86007
A
is said lacking
B
is said to lack
C
are said to lack
D
are said lacking