---Could it be in the restaurant_____ you had dinner with me yesterday ______ you left your keys?
A．that; that B．that; where C．where; where D．where; that
It was five hours _____ the French climber reached the top of the world’s tallest building.
A．since B．that C．before D．when
He must have been annoyed by something yesterday, _____?
A．wasn’t he B．hasn’t he C．needn’t he D．mustn’t he
Children _____ to difficult situations are better at handling those _____ tasks.
A．exposing; challenging; B．exposed; challenged
C．exposed; challenging D．exposing; challenged
---Are you happy with this lab?
---Not a little. We can’t have _______.
A．a worse one B．a nicer one C．such a worse one D．such a nicer one
What kind of things do people often buy during _____ Christmas and _____ Spring Festival?
A．/ ; the B．the; / C．the; the D．/; /
