Each of us has to write a ______ report every two weeks.
A. two-hundred-word  B. two-hundreds-word  C. two-hundred-words      

There were          different kinds of dinosaurs in the word in the past.

I think _____ of the materials I listen to at the beginning of the exam _____easy.

Now, everybody, please turn to Page _____ and look at the _____ picture.

---Have you finished the work yet?  --- Not yet. I need two more days.

- David, how old is your father this year?
- ———— And we just had a special party for his _____ birthday last weekend.

Look! There are __________ on the desk.

---Jackie Chan donated _______ dollars to charity..
---He is an example to us all.

There are fifty students in our class, _____ of  the boys _____ football.
A. two third; likes        B. two thirds; like   C. two thirds; likes

---I’d like to buy some meat.
---_______ kilos do you want?