Li Ling wants to be a singer, she thinks it’s an interesting __________.

—Good morning, madam. Can I help you?  —Sure, I’d like _______ for cooking vegetables.

—How much ____the pair of trousers ? —Sixty dollars _____enough .

My brother has two ____in his room.

 - Mr Li is said to be very patient with his students. - Yes. But it's really a hard_______ for him to control a class of young children.