We’ve never expected___ so many valuable finds from this archaeological site.

The universe began with the Big Bang 13.7 billion years ago, with everything___ in space smaller than a grain of sand.

______ the room, the nurse found the tape-recorder ______ .

The women kept her eyes _____ on her baby for quite some time. 

____ is known to all, China will be an _____ and powerful country in 20 or 30 years’ time.

.They will start their project ____at helping the poor children to be educated in China＇s west.

--- Why doesn’t she make notes?
--- She has no pen to use. She seems        one.

When I reached home, my husband was lying on the floor, ________ the kids with toys.

As a new driver, I have to practise _________ the car in my small garage again and again.

Under no circumstances and at no time __________be the first______ nuclear weapons.