Important _______ having an ambition is, it must be channeled in the right direction. Otherwise, it would ruin ourselves and others.

They are __________ stars in the sky atnight

What about this sweater

One-third of the area _____ covered with trees. About seventy percent of the trees _____ been planted recently.

Would you mind taking the underground to the theatre tonight— ________ .it will take less time than driving a car.