doctors are fighting against H7N9 in China.
A.Thousands B.A thousand of
C.Thousands of D.Thousand of
The number of the students here about 2000.
A.is B.are C.has D.have
--Helen.do you know that Marin to my party next week ?
--I think he will come if he free .
A.will come; Will be B.will come ;is
C.come ; is D.comes; will be
He works harder than my son .
A.many B.much C.more D.a lot of
All the students were at the result.
A.amazed amazed B.amazed amazing
C.amazing amazing D.amazing amazed
I heard them when I passed by .
A.to sing B.sang C.singing D.were singing
