When did the classroom have a power cut?
This morning,while we ________ a physics lesson.( )
A.have hadB.were having
C.are havingD.will have
My cousin______100 model planes since 2015.( )
A.collectsB.is collecting
C.has collected
______to turn off all the lights when you go out.( )
A.RememberB.To remember
C.Remembering
Could you tell me ______you will start your vacation?
In a week.( )
A.howB.whatC.when
Mum, I'd like a cup of coffee.
Dear, why not drink some water?It's ______than coffee.( )
A.healthyB.healthier
C.the healthiestD.healthy
Chinese ______by more and more people around the world.( )
A.is spokenB.speakC.speaking