My parents will buy a piano for me if I _____ good grades in the tests.

Can you tell me _______ I should wear for the party tonight?—A blue dress, I think. It’s suitable for a party.

I love my new school because the teachers ________ very kind to me.

Lucy buys a nice sweater_________Huaxing Clothing Store.[ ]

She has written a lot of books, but_______ of them is good .