_______ necessary for us _______ English well.A.It’s; to learn B.It’s; learn C.That’s; learn
--- What do you think of my answer to the questions? --- Sorry. I ________ about something else.
--- ________ have you kept the book ? --- Since last Month. I ________ return it to the library today or I can’t borrow one next time.
The poor man lives ________ in the ________ house.
Jim _______ ride to school. But now he _______ walking to school because he wants to keep fit.
________ book named Harry Potter is ________ good friend of mine.