John asked Tom ____ give him a lift to the office.

How tired he looks!—Yes. He spends____time____his work.[ ]

Excuse me, may I ask you some questions?— Sorry, I ’ m too busy and haven ’ t even a minute to ______.

At the age of 17, he got his big chance to play ______ that pianist.[ ]

The robot is made_______ all the housework.