Tony has much difficulty ______Chinese , so he often asks me for help .
#43861
A
understand
B
understands
C
understanding
D
to understand
推荐题目
The number of chairs in the room __ ten. I’m afraid a number of chairs in the room ___ lost.
#44201
A
is; is
B
is; are
C
are; is
D
are; are
. It is not I but you who ___ the first to run to the goal in the competition.
#86048
A
was
B
were
C
are
D
is
The first use of atomic weapons was in 1945, and their power ____increased enormously ever since.
#86339
A
is
B
was
C
has been
D
had been.