Put your maths book ______ your desk . A. at B. on C. The
你找不到你的书包了,你会问爸爸:
你想知道妈妈何时回家,你会问:
你想知道现在几点了,你会问你的同学:
A: How many ________ can you see? B: I can see________ .
A: Dear, it's time to go to the cinema. B:________ .