Do you know the big boy ________ helped to catch the thief yesterday ? — Yes, Li Ming, the chairperson of the Students’ Union .

The skirt _________is made of silk is very expensive. I can’t afford it.

When do you think is the best time to visit Jiangxinzhou? —You ______ go there in August. Many kinds of fruits are on sale then.

This is ______ pencil box.

______ he likes English or not, he has to study it.[ ]