It is ______ any wonder that he often fails in the exams.

I find our teacher is rather strict ___________us.—-Actually, my boy, your future boss will be cruel_________ you.

The woman insisted that she ______ the mobile phone but none of the supermarket guards would believe her.

Long time nosee．Haven’t you graduated from college—Yes．I____business management for 4 years in Beijing．

Does she like singing English songs——Yes.She _______ to sing English songs in her room.