The boy said ________ couldn’t he work out the problem but his teacher didn’t know how to do it.

Taiwan is a part of China, and it’s _____ the southeast of our country. [ ]

Who is the woman in black?— ________ is our physics teacher.

There’s _______ orange coat in the room, and _______ coat is Li Hong’s.

When were you born?—I was born _______.[ ]