Jim sits behind me，so I sit him．（ ）
| A． |
at the end of |
B． |
in front of |
C． |
in the middle of |
We'd better follow the seven﹣step hand﹣ washing method healthy．（ ）
| A． |
to keep |
B． |
keep |
C． |
keeping |
D． |
keeps |
You've done a good job， and I'm sure you can do it ．（ ）
| A． |
worse |
B． |
worst |
C． |
better |
D． |
best |
When I was young，I by my grandparents．（ ）
| A． |
look after |
B． |
looked after |
| C． |
am looked after |
D． |
was looked after |
Don't drink coffee before going to bed， or you easily．（ ）
| A． |
don't fall asleep |
| B． |
won't fall asleep |
| C． |
didn't fall asleep |
| D． |
haven't fallen asleep |
Teaches′ Day is in September， the month of the year．（ ）
| A． |
nine |
B． |
ninth |
C． |
ten |
D． |
tenth |