.They were all so tired that they could ______.
—Where are you going to stay when you get to Shanghai?—I may live _________in a hotel ________in a friend’s house. It doesn’t matter.
—What can I do for you? —__________________.
—I don’t know ___________or not.—Neither do I. You may ask his teacher.
— When did your uncle arrive in China?— He got to Guangzhou the morning of the 16th of April.
The guide’s last words______us that we should bring raincoats or umbrellas.