6. --- Do you know your results?
--- No, I don’t know them ____ .
| A．already | B．since | C．before | D．Yet |
The biggest problem for most plants, which _______ just get up and run away when threatened, is that animals like to eat them.
| A．shan’t | B．can’t | C．needn’t | D．mustn’t |
---How long have you been in this office?
---Just a few minutes. My cousins _______ here together with me.
| A．have walked | B．had walked | C．walked | D．have been walking |
“John, let us slip into our beds, and be there when Mother comes in, just as if we _______ away”, said Wendy.
| A．have never been | B．will never be | C．was never | D．had never been |
----Who are you waiting for?
---__________ the man wounded in the left leg.
| A．The doctor will operate on | B．The nurse to be looked after |
| C．The doctor to operate on | D．His brother got |
At 60 the famous film star Dustin Hoffman is at a point in his art career _______ the chances are narrowing but the roles seem stronger.
| A．where | B．that | C．which | D．when |