Boys and girls,______learning and have fun!( )
A.keepB.to keepC.keepingD.kept
When I want to go out to play with my friends, my mother always says,"_____ at home.Don't waste your time."( )
Stay
Stays
To stay
Staying.
As the most exciting and traditional way to shop, street markets _____ here and there in China these days.( )
find
found
are found
were found
Let's go camping if it _____ next Saturday.
But nobody knows if it_____.( )
is fine; rains
will be fine; rains
is fine; will rain
will be fine; will rain
All the volunteers were very tired, but _____ of them had a rest.
They were busy helping the firemen.( )
both
neither
all
none
Putting out forest fire is regarded as one of _____ problems in the world.( )
difficult
more difficult
most difficult
the most difficult