Mum，I failed the exam again．

．（　　）

A．I'm sorry， tooB．Not at all

C．Hard to sayD．Don't worry

May I help you， young lady？

__________．（　　）

A．Good for youB．Well done

C．Yes， pleaseD．Take it easy

Please mind your head， sir．

________．（　　）

A．It doesn't matterB．Thanks a lot

C．Don't mention itD．I'm afraid not

She's brought you some eggs． As you know， she ________ chickens．（　　）

A．keepsB．will keepC．has keptD．kept

I ate some fruit， which I ______ since I was a child， and the vegetables from my garden．（　　）

A．have enjoyedB．enjoyed

C．enjoyD．had enjoyed