I've __________ the habit of calling on my grandparents on my way home from school.
| A．come into | B．gone into |
| C．got into | D．run into |
He didn’t seem to mind_____________ TV while he was trying to study
| A．them to watch | B．that they watch |
| C．their watching | D．watching |
I don't skate now, but I___________ when I was a kid.
| A．used to | B．am used to it | C．sued | D．used to do |
We liked the oil painting better____________ we looked at it.
| A．as | B．while | C．the | D．the more |
We must keep our room clean. Dirt and disease go , you know.
| A．from time to time | B．hand in hand |
| C．step by step | D．one after another |
-Could I use your bike, Jack?
--Of course, you____________.
| A．can | B．may | C．could | D．might |