Mum, where are my gloves? Is the pair of gloves ______ mine?— YesYou have to wear another pair

下列各句中，没有语病的一句是(　　)

Would youplease__________the paper for me and see if there are any obvious(明显的) mistakes—Of course I will.

Her daughter had a bad cough again, ______she?

We must ________ every chance we have to improve our communicating ability