It’s _________ for us to finish such a difficult program. We have to say sorry to them.

____ the flight to Beijing will be delayed is ____ I’m especially worried about.

281 Many hands make light work__________is strength

How did you find the book? —.Great, and also the book review says Shakespeare ________ all his characters in the play vivid and alive.

The digital camera is very popular. But some still ____ too much.