enjoy oneself；hang on；There's no way…；choose from；worry about；hang around

（1）The secretary asked him

to hang around

to hang around

while she ran for a pencil and a sheet of paper to take the message.
（2）

There's no way

There's no way

we can improve our language skills without practicing.
（3）The children

enjoyed themselves

enjoyed themselves

when they camped in the Grand Canyon last summer holiday.
（4）It's a special foldable car.It folds up to the size of a briefcase，so the users never have to

worry about

worry about

parking again.
（5）Our school had quite a few clubs and optional classes for students to

choose from

choose from

.