Charge(4次)
1. Scientists are pushing known technologies to their limits in an attempt to ____more energy from the earth. (03/9)
A) extract      B) inject      C) discharge      D) drain

2. He is the only person who can ____ in this case, because the other witnesses were killed mysteriously. (02/6)
A) testify      B) charge      C) accuse      D) rectify

3. The price of the coal will vary according to how far it has to be transported and how expensive the freight _______ are. (02/1)
A) payments      B) charges      C) funds      D) prices

4. The prisoner was ______ of his civil liberty for three years. (01/1)
A) discharged      B) derived      C) deprived      D) dispatched

Converge(3次)
1. He blew out the candle and _______ his way to the door. (02/12)
A) converged      B) groped      C) strove      D) wrenched

2. If the fire alarm is sounded, all residents are requested to _______ in the courtyard. (97/6)
A) assemble      B) converge      C) crowd      D) accumulate

3. The mayor was asked to __________ his speech in order to allow his audience to raise questions. (97/1)
A) constrain      B) conduct      C) condense      D) converge

Consistent(2次)
1. What you say now is not ____ with what you said last week. (02/6)
A) consistent      B) persistent      C) permanent      D) insistent

2. Bill is an example of a severely disabled person who has become _______ at many survival skills. (99/1)
A) proficient      B) persistent      C) consistent      D) sufficient