Will Mr Brown come to visit the company ?—We don’t know if he _______．If he ______，we’ll tell you．

I don’t have a partner to practice English _____ on the weekend.[ ]

We learned in geography class that the earth __________around the sun.

I don’t like the color of this sweater. Would you please show me __ one?— Here you are.

Is the tie made ________ silk? —Yes. It’s made ________ Italy. [ ]