---Tom is always making so many mistakes in his English exercises! --- Yeah. If he ________ more careful, he ________ fewer mistakes.
—I'm very tired these days because of studying for physics. —Why not ________ music? It can make you ________.
—Hi, Tom! Can you tell me when ________ for London? —Yes, tomorrow afternoon.
Xiao Li said she would rather ________ join us.
Doctors tell people ________ their hands often and to stay home if they feel ill.
—Why did you buy a radio? —________ English.