-优题课

科目英语题型单选题难度中等

知识点：数词的用法

Tom is a good boy and he writes _________ in his class.

—Which colour do you like _______, blue or green?
—Blue.

—______ you help me mend the radio?
—Yes, I can.

There is ______ wrong with this computer. It doesn’t work.

Parents often ask their children _____ their Internet friends because they may be in danger.