-------Are you going to buy the red car or the black car?--------The black car. I don’t have enough money. So I will buy the car which is ________
Can you see 11-year-old boy and one-year-old cow in the field?
Lots of students are_________ in tigers and other wildlife.
Why does Liu Tao look all day long?
Our English teacher often asks us_________ English _____in class.
I’m sorry I’m late again________ the heavy rain.