Johndoesn’tsingquite _____ theotherboysandgirlsinhisclass. [ ]

Is your father a teacher? —Well, he ______. But now he works in a bank.

The country has already sent up an unmanned spacecraft to the moon.—Yes. Chang’e I to the moon last October.

_________ do you have an Art Festival in your school? — Once a year.

There are a lot of apples ______ the tree and some birds are ______ the tree, too. [ ]