Bell is considered _____ the first phone in 1896.
A. inventing B. having invented
C. to invent D. to have invented
---- Are you still a teacher?
---- No, I____ in Harbin No. 3 High School for five years.
A.worked B. have worked C. have been working D. had worked
---- Can you show me how to use Ipad 2?
---- Why don’t you just read the _____?
A. instruction B. introduction C. description D. directions
The horrible accident _____ his carelessness of drunk driving.
A. resulted in B. resulted for C. led to D. resulted from
So far we have done a lot to build a low-carbon economy, but it is ____ ideal (����). We have to work still harder.
A. next to B. far from C. out of D. due to
There was a _____ look on his face. He found what the expert said too difficult to understand.
A. puzzle B. puzzling C. puzzled D. to puzzle
