29．—May I speak to your manager at three o’clock tomorrow afternoon ?—I’m sorry, He to Shanghai by then

B【解析】试题分析：考查动词辨析：

How can I save the water—It’s easy. First, make sure the tap ____________ after using.

Where is Tom—He __________ basketball with his classmates over there.

When you’re learning to drive, having a good teacher__________.