It's very kind ___________ you to lend me your reusable shopping bags.( )
A.ofB.forC.toD.with
The telephone ______ by Alexander Graham Bell in 1876.( )
A.was inventedB.is invented
C.invented
Marcus is our foreign teacher.He _______ in our school for two years.( )
A.wasB.will beC.has been
Look!The man _____ be Mr.Black.He's always standing there at this time every day.( )
A.mustB.can'tC.mustn't
Going hiking with a group of people makes me _________.( )
A.relaxingB.to relaxC.relax
How do you learn English?
_______ listening to tapes.( )
A.ByB.WithC.For