—He has two brothers and three sisters. Do you know ________ of them? —No, I know ________ of them.
In ,the northerners are keen on dumplings while the southerners are fond of rice.
It that Jane and Mary will be late.They to miss the party.
I have heard a warning the radio that a storm may be its way.
—What do you think of the book? —Oh,great.It’s a second time.
The number of students in our school about 30 000 and them study hard.