If buildings fall down with people inside,the snake robots can help ____people under the buildings.( )
A.take upB.look forC.cut up
We should save energy by _________ the lights when we leave a room.( )
A.getting offB.showing off
C.taking offD.turning off
The teacher encourages the children to feel _________ about asking questions when they don't understand.( )
A.nervousB.confidentC.excitedD.practical
I will see what I can do,but I can't ______ you anything.( )
A.planB.prepareC.promiseD.protect
Anita spoke _________ quietly that I could hardly hear her.( )
A.tooB.suchC.soD.very
When you are home,give me a call to let me know you __________ safely.( )
A.arrivedB.have arrived
C.will arriveD.are arriving