An old lady can speak two foreign languages,() surprises all the people.
A. which
B. that
C. who

You are probably () me () my sister.A. confused , withB...

单项选择题You are probably () me () my sister.
A. confused , with
B. confusing , with
C. confusing , to
D. confused , to

We found him()in the laboratory.A. workB. workingC. to ...

单项选择题We found him()in the laboratory.
A. work
B. working
C. to work

He asked John()he could swim.A. thatB. ifC. howA.A.

单项选择题He asked John()he could swim.
A. that
B. if
C. how