Wow ! You've got so many skirts.
But n of them are in fashion now.
Qian Xuesen (consider) as "Father of Missile(导弹)in China".
Our earth is becoming more and more (pollute) because of the rapid increase in population.
I (not finish) my homework yet. I am afraid I can't go to the park with you.
Can I help you, sir?
A box of (tomato), please.
Why are you in such a hurry, Cathy?
My dad and mum don't (let someone do something) me to stay out late.