The littleboy’s mother told him she would be back___ an hour,but she didn’t. [ ]

How long ______ you __________England , Sue ?– Since two years ago.

Turn off the water while you ________ your teeth or washing your hands.

Math is difficult for me. How I wish to improve it!－Don’t lose your confidence. I believe you will ______ it if you keep trying.

Who is English teacher, WangHua?—Mr Wu teaches English.