—Trees are our friends. We should ______ them. —I agree with you. A. protect B. forget C. leave
They argued________ each other ________ the math problem yesterday.
--- What’s________ with him? ---- He has a headache.
We’ve got no coffee.Let’s have tea________.
It’s difficult ________ me to follow you.You speak too fast
I will do some cleaning as soon as I ________ my homework