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 the people who can afford to buy their own house ______ more than 60%,but a number of houses _______.
#85948
A
are; hasn’t been built
B
are; has built
C
is; haven’t been built
D
is; have built
The number of people who   a mobile phone   more than 650.
#85854
A
has, reaches
B
have, reach
C
has, reach
D
have, reaches
________ children whose parents had died in the earthquake ________ sent to other families.
#85556
A
A great number of; was
B
A large number of; were
C
The great number of; was
D
The great number of; were