Is that Jack speaking?—Sorry, he _______ in. He _______ back in half an hour.
After the Asian Games, ______ people came to Guangzhou for a visit during holidays.
It’s raining outside. —You’d better take the umbrella ________ you.[ ]
Look! A book is on the floor. Whose is it?—It ______ be Rick’s. It has his name on it.
There is still a copy of the book in the library. Will you go and borrow ?—No, I’d rather buy in the bookstore.