Hi, Mary. Could you lend ______ your pen?— Sorry, I’m using it.

What a clean and bright classroom, isn’t it?—Yes, it’s always clean and bright because it every day.

I’m not good at English, my friend isn’t, ____.

I’m sleepy. I prefer __________ at home to going out for a walk.

I was really too busy with my homework and I couldn’t help ____________ housework.