Mum, would you please buy me an ipad?— If you can help do the dishes the whole vacation, you ______ have one as a reward.

Not only _________ hard but _________ also kind.

I think students should have mobile phones to call their parents.—___________. They often use them to play games, instead.

下列各句子中，没有错别字的一项是（ ）

Why are there many books on the ground一Her arms aren’t long enough to the books on the desk.