—Mike,is this Tom’s pencil?—Oh,yes,it is !
Bill thought ______ necessary to work with friends and share different ideas.
You can improve your English ____ reading more.
David is _______singer. He thinks it is ______ interesting job.
—What do you think of Mr. Li’s teaching?—No one is _________. He’s my favourite teacher.
—I’m going to have my final exams at the beginning of January.— _________________