( ) Billy is too fat, he can’t _____of the door. A. get out B. get up C. get to
Everybody should do something ____________ our planet. A. to save B. save C. saving
What ____________ we do to protect our environment? A. do B. shouldn't C. can
We can save water and ____________. A. energy B. energys C. energies
We shouldn't ____________ litter on the ground. A. throws B. throw C. threw
What can we do to make ____________ mother earth more beautiful? A. us B. we C. our