Don’t make any noise in the living room! My baby is sleeping.—________.

ed you last night, but nobody answered.—Oh, I usually___off my cellphone by 9:00 p.m.

university with a good degree in EnglishLiterature, but no _________ of what I wanted to do

With the popularity of network, email has largely ________ the traditional letter.

The weather is terrible now; our earth is badly damaged!——-Yes. It’s urgent that everyone _________ spare no effort to do something to save our world .