Feeding the animals is not allowed.You must not _________ the animals.
查看答案
A family ticket costs ￡10.The cost of a family ticket _________￡10.
Last year wasn’t as cold as this year.This year is _________ last year was.
How much is it to go skiing?What _________ to go skiing?
James can sing well.James is _________ singing.
微信支付 
支付宝支付