-Deng Ziqi is quite popular _____ the young now.-So she is. She performed wonderfully _____ the night of the final.
---how many students are there in the classroom? ---_____Idon’t know where they have gone.
Our playground is not so tidy and beautiful as before. Students must _____ dirty things on it.
I _____ this book for two weeks. I have to return it now.
—Do you think a radio is useful in learning English? —Sure. A radio can _____ listening English songs and reports.
—_____ swim in the river? — oh, no. Our teacher told us ____ here. It’s dangerous.