﹣ Did you call Michael back？
﹣I didn' t need to，_____I'll see him tomorrow．（ ）
| A． |
unless |
B． |
because |
C． |
when |
D． |
though |
﹣﹣﹣How many letters you to your mother？
﹣﹣﹣109 in all， since 2016．（ ）
| A． |
has， written |
B． |
have， written |
| C． |
did， write |
D． |
are， writing |
Bill， stop smoking， you'll get better soon．（ ）
| A． |
but |
B． |
after |
C． |
or |
D． |
and |
Betty is often seen the lonely old man with his housework．（ ）
| A． |
to help |
B． |
helping |
C． |
helps |
D． |
helped |
We should not go outside， in such a terrible storm．（ ）
| A． |
Probably |
B． |
especially |
| C． |
immediately |
D． |
exactly |
﹣﹣﹣ is it from your school to the bus stop？
﹣﹣﹣It's about 5 minutes' walk（ ）
| A． |
How often |
B． |
How long |
C． |
How soon |
D． |
How far |