The environment is terrible．
I think it will be even worse the government takes actions to protect it． （ ）
A．untilB．whenC．ifD．unless
Be quiet． Your grandmother _____ in the room．（ ）
| A． |
sleeps |
| B． |
is sleeping |
| C． |
sleep |
Mike and Jim's room is tidy, _____ their sister's is not．（ ）
| A． |
but |
B． |
and |
C． |
or |
About _____ of the students don't like studying online in my class， because they can't discuss with their classmates．（ ）
| A． |
one three |
B． |
one thirds |
C． |
one third |
You should take _____ umbrella with you in England， even on _____ sunny day．（ ）
| A． |
a；a |
B． |
an；a |
C． |
a；an |
Could you tell me ____？
Sure， go along this street，turn left at the second crossing．You'll find the bank on your right．（ ）
| A． |
how I can get to the Bank of China |
| B． |
where is the Bank of China |
| C． |
where can I find the Bank of China |