17. The new outline will throw light _______ students’ understanding of history.
| A．upon | B．at | C．of | D．Over |
Four-fifths of the crop ______.
| A．are ruined | B．was ruined | C．were ruined | D．have been ruined |
You must be careful when ___ on the highway.
| A．you driving | B．are driving | C．driving | D．you were driving |
She sat in the chair, ______ the newspaper.
| A．read | B．being read | C．to read | D．reading |
The kids were hard to ______ since they were so excited in the evening party.
| A．settle down | B．turn down | C．get down | D．break down |
He asked me _____.
| A．whether was I born in 1986 | B．that I was born in 1986 |
| C．whether I had been born in 1986 | D．if I was born in 1986 |