That is the only way we can imagine ______ the overuse of water in students’ bathrooms.
| A．reducing | B．to reduce | C．reduced | D．reduce |
In zones where earthquakes are known to occur, ______ construction techniques can significantly reduce the effects of seismic wave.
| A．to improve | B．improving | C．improved | D．being improving |
Small ______ you are called early bird --- you always catch the first train to work!
| A．wonder | B．case | C．surprise | D．shock |
Can it be ______ in a fast-changing world we don’t know what to teach our children today?
| A．which | B．that | C．why | D．since |
Teach children ______ electrical appliances, cords, and switches are not toys.
| A．what | B．which | C．how | D．that |
In Section Three, you are most likely ______ on your ability to find factual information.
| A．to test | B．testing | C．to be tested | D．being tested |