— I’m leaving now. — ________ sure you turn off the switch. A. To make B. Make Made D. Making
. New mineral resources may be discovered during the forthcoming Antarctic _____.
They have been waiting for many hours to see the singer, but the airplane must have been _____.
Today, housework has been made much easier by electrical _____.
Pack the cake in a strong box, or it might get _____ in the post.
. Professor Smith and Professor Brown will _____ in giving the class lectures.