—My son is addicted to drugs. He isn’t hopeless, is he?
—Yes, _____ he mends his ways and starts all over.
A．if B．when C．even if D．unless
Look at the pride on Tom’s face. He _____to have been praised by the manager just now.
A．seemed B．seems C．had seemed D．is seeming
The machine _____ . It hasn’t worked for years and no one wants to repair it.
A．didn’t work B．wasn’t working
C．doesn’t work D．isn’t working
Could you tell me how you usually _____ Thanksgiving Day in your country?
A．observe B．remind C．pass D．congratulate
After long and hard struggle, his small family business began to _____. Hopefully, it will change into a large firm in the near future.
A．take over B．take in C．take off D．take down
Whoever does not have a mobile phone must borrow _____ because you will certainly need ____ for the tour.
A．one; it B．it; one C．it; it D．that; this
