﹣ Did you notice in her office？
﹣ Yes． She was going over our writing．（ ）
A．what was Miss Lin doing
B．what Miss Lin was doing
C．what does Miss Lin do
D．what Miss Lin does
It about eight minutes for the light to travel from the sun to the earth．（ ）
| A． |
pays |
B． |
costs |
C． |
spends |
D． |
takes |
We are happy to see our city is developing these years than before．（ ）
| A． |
quickly |
B． |
more quickly |
| C． |
very quickly |
D． |
the most quickly. |
Robots more heavy work for us in the future．（ ）
| A． |
will do |
B． |
did |
C． |
have done |
D． |
were doing |
It is duty to protect the environment．（ ）
| A． |
we |
B． |
us |
C． |
ours |
D． |
our |
So kind of you to give me a ride to the bus stop．
（ ）
| A． |
My pleasure． |
| B． |
Never mind． |
| C． |
It doesn 't matter． |
| D． |
That's nothing to do． |