Look! The boy is singing _____________ the classroom.

He likes ______ English book.

I on my report next week so I won’t be able to meet you any day

It is reported that many battles broke out inthe Middle East What’s your ______ of the situation there

Do you think it true that all the theories should ________ facts?-I don’t suppose so. If so, there would be no predictions(预言) [ ]