You ______ wear sports shoes when you climb a mountain.

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

I’m busy when people go out ___ dinner. [ ]

Don’t be angry with your kid when he makes a mistake again, will you? —No. I won’t. I know that ______of us are perfect after all.

Won’t you like to come to Li lei’s birthday party?－I will if I ______