—Do you know________?—Sorry,I don’t know.A.if she will come to the concert or notB.whether she will come to the concert or notC.if will she come to the concert
The boy followed the teacher and entered the classroom.
I will visit you if I am available this weekend .
----What’s up ? ----I failed in the examination of Physics.
In class I answered the question without hesitation and the teacher praised me .
_____, I have to write the words on the paper because she doesn’t know Chinese.