John,when shall we meeet again,Thursday or Friday-___________.I’ll be off to london then.

Our neighbor has ______ ours.

When you keep goldfish, it is a good idea to put some stones at the of the tank(鱼缸).—So the fish can hide behind them.

He used to __ in a small village, but now he has been used to __ in the big city.

Only four days remained ____ theexam.