[ Vocabulary ]
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:
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