No conclusion _________ about the new product until the result of the experiment has been announced.
| A．is drawn | B．was drawn | C．will be drawn | D．has been drawn |
The world will be different, and we will have to be prepared to ________ the change.
| A．adapt to | B．adopt to | C．apply to | D．devote to |
He hurried to the station only _______ that the train had left.
| A．to find | B．finding | C．found | D．to have found |
The fire made _____ difficult to rescue the people trapped under the ruins in the earthquake.
| A．/ | B．this | C．that | D．it |
--- Would you mind not littering in the classroom?
--- ______. I’ll pick up the waste paper.
| A．With pleasure | B．Thanks |
| C．No, not at all | D．Yes, that’s all right. |
_______ all of them are strong candidates, only one will be chosen for the post.
| A．Since | B．If | C．As | D．While |