Your digital watch is quite nice. Where didyou buy_____I wantto buy_____，too.

My daughter has ______ in learning maths. Do you have any good ideas—-Don’t worry. I can help her.

Children need many things, but ______they need love.

Nowadays people are more concerned about the environment ________ they live.

You must keep in mind whom you _______ in this class, because we all voted for you in the elections of class president.[ ]