Dr. Smith, together with his wife and daughters, _____visit Beijing this summer.

—Why? Where is the key to the meeting room? —Dear me! You ______ it in the taxi!

 My father told me that we wouldn’t go anywhere this summer holiday if I ___pass the examination.

. – How did you spend your national holidays?– Oh, I________most of my time watching TV, and then I was invited to visit a relative in Qingdao.

When he was alive, the old scientist used to say that knowledge ＿＿from practice and he gained his experience by doing a lot of practical work.