He wondered if he could slip out of the lecture hallwithout anyone _____

ose with family members far away, the personal computer and the phone are important in staying________.

It is believed that if a book is _____, it will surely_____the reader. [ ]

eens don’t get enough sleep because they havetoo much homework to do, which _______ them up at night．

Please email Jenny ________ @5364428.com. He can help you.