It’s very ____, saving money and energy, to build energy-efficient buildings that don’t lose heat.
A. connected
B. risky
C. cost
D. economical

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Future TensesVocabulary, Adjective & PrepositionPast Simple, Present Perfect TenseSimple Present - WH QuestionsComparative and Superlative AdjectiveIndefinite and Reflexive PronounsPresent TensesRelative Pronouns and AdverbsSo / Neither / Either / TooZero & First ConditionalOther quiz:
Grammar › ViewThe tendency ______ political parties to elevate partisan advantage ______ democratic values is one reason we still have the Electoral College.
A. of, above
B. with, before
C. to, of
Correlative Conjunctions › View
The Jones boys might play tennis this weekend. They might go sailing instead.
A. The Jones boys might both play tennis and go sailing this weekend.
B. The Jones boys will either play tennis or go sailing this weekend.
C. The Jones boys will play either tennis or sailing this weekend.
Mixed General Quiz › ViewPierre is from France. He can speak ___.
a. Franchise
b. Francese
c. French
Tenses › View
Red …………………..….. (fly) and ……………………… (fall) on the ground at the moment.
A. is flying – is falling/ is flying – falling
B. fly – fall
C. flying – is falling
D. is flying – falls