My mother doesn't allow me _______outside too late on school nights．（ ）
| A． |
to stay |
B． |
stay |
C． |
staying |
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