This kind of gel pen which ______ smoothly is quitepopular with students.

Why does Jane feel so upset—- She failed the exam and she has nofriends _________.

Look at the photo I took in Jinghong , Yunnan Province. ___ the Dai people were having! Wow! They were celebrating the Water Festival.

The little girl likes staying with her grandfather because he can always new stories for her.

Teachers recommend parents________ theirchildren under 12 to ride bicycles to school for safety.