Do you think the thief entered through the garage door?— No. If he had.I don’t believe he _____ the living room window. [ ]
The family is a cooperative enterprise for which it is difficult to _____ rules, because each family needs to work out its own ways to deal with its own problems.
he increase of the people’s income, there is agrowing ______ for Chinese students to go abroad for further education.
14.How can you cross the river _________ by swimming
________ it is to visit theme parks in Beijing!