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
Mary is one of the brightest students who_________ from New York University.
#86278
A
is graduated
B
have graduated
C
has graduated
D
are graduated
I think ______ of the materials I listened to at the beginning of the exam ______ easy.
#44317
A
three fourths, is
B
third four, are
C
three fourths, are
D
three fourth, are
Written in a hurry , _____________. Which one of the following is right ?
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A
they found many mistakes in the report
B
Sam made lots of mistakes in the report
C
there are plenty of mistakes in the report
D
the report is full of mistakes