Detective Johnson wanted to find out_______.
| A．where was the witness that day |
| B．where has the witness gone the day before |
| C．where the witness was that day |
| D．where the witness has gone the day before |
– Susan, you know what? We can have a dog!
– Great! But I prefer to have a cat. It is much _______ to look after.
A. easy B. easier C. easiest
–______ keep water running when you are brushing your teeth or washing your hands, Jack.
– OK. I know we must save every drop(滴) of water.
A. Why not B. Please C. Don’t
–Do you often go fishing with your father?
–No, _______. I don’t like fishing at all.
A. never B. always C. usually
–Who is that little boy in the photo, Oscar?
–Oh, it’s me! It _______ when I was five years old.
A. was taken B. took C. was taking
It rained heavily, so we _______ stay at home watching TV or surfing the Internet all day.
A. could B. had to C. must