He raised his hand ________ the taxi ________.

When you sleep, your body prepares you for the day _______.

It is one of the funniest things____ on the Internet so far this year.

When the manager came in，the workers pretended________hard on their machines.

_______ on the American Civil War, the book attracted a large number of readers when it was published.

I haven’t seen Li Lei these days. He was said _____ to the hospital to receive treatment.

We are invited to a party _______ in our club next Friday.

They suggested that the professor ______ just now ______ chairman of the meeting.

--- Can you introduce me a high quality machine?
--- My pleasure. _______ well even on wet roads, this kind of car is very popular.