--- I visited a middle school in Shanghai last month.---There were about six _____________ students in it.A. thousandsB. thousands ofC. thousand
When they finally sent the boy to the hospital, he was found ____________ already. How sad it was!
Many people took part in 10,000-metre race, but only ____________ them kept on running to the end.
— I think Running Man is the most popular TV game show now.— _______.
The project they’re working on ________ many teenage problems that they care about.
I find this book ________ for a six-year-old child to read.