25．Can you explain ____ most deserts are located near the west coast of the continents?
| A．why is it that | B．why it is that |
| C．how it is that | D．how is it that |
I have a lot of readings __________ be-fore the end of this term.
| A．completing |
| B．to complete |
| C．completed |
| D．being completed |
We were astonished __________ the temple still in its original condition.
| A．finding |
| B．to find |
| C．find |
| D．to be found |
With Father's Day around the corner, I have taken some money out of the bank __________presents for my dad.
| A．buy |
| B．to buy |
| C．buying |
| D．to have bought |
The ability __________ an idea is as important as the idea itself.
| A．expressing |
| B．expressed |
| C．to express |
| D．to be expressed |
After the Arab states won independence, great emphasis was laid on expanding education, with girls as well as boys __________ to go to school.
| A．to be encouraged |
| B．been encouraged |
| C．being encouraged |
| D．be encouraged |