Experts believe ______ people can waste less food by shopping only when it is necessary.
| A．why | B．what | C．where | D．that |
117. Look. The soldier are at _____ in the barrack yard.
| A．drill | B．exercise | C．practice | D．Training |
118. Which of the following is not a drink? _____
| A．beer | B．whiskey | C．coffee | D．caster oil |
119. Through the customs at the capital airport, I had to pay _____ on the camera I had bought.
| A．taxes | B．duty | C．toll | D．Custom |
120. Nothing on can separate Taiwan from our motherland.
| A．earth | B．world | C．land | D．Globe |
121. The problem was that Einstein's family did not have enough money to pay for his further .
| A．school | B．studying | C．education | D．Schooling |