----Who taught you Japanese? ---- Nobody, I learned it by______.
Try to guess its meaning when you meet a new word. Don’t _____ your dictionary all the time.
He’s fed the dog and the cat, _______?
--How about going to school by boat, Lilei? --Good idea. That must be ___________than taking a bus.
--What ________ the number of the students in your school? --About two thousand. A number of them_________ from England.
.--Would you mind _________ baseball here? --Sorry. We’ll go and play in the park.