--What’s that on_____ desk?--It’s__________ alarm clock.A,the;a B.the;an C.a;an D.a;a
Don’t eat________ snacks because there’s ________ sugar in them.
--I’m going to Yuannan next week. --Great!________.
Boys and girls usually _____ and play tricks on each other on that day.
−If you are free this evening, how about having dinner together?−______________.
−Can I __________ the book from you?−Sure. But you can’t _____________ it to others.