—When will the engineer go to Singapore?—Oh,I don’t know when he ___Singapore.When he ____ Singapore,I will call you.
You can borrow at most four books from Xinghua Library ___________.
You can’t get off the bus ___________ the bus stops.
—Can you help me clean the classroom? —___________.
I used to ___________ in the country. But now I am used to ___________ in the city.
He ___________ Taizhou for two weeks.