We —- the contract before the meeting ended.
A. had been signing
B. had signed
C. sang

Random Topics:
Conjunctions & InterjectionsWill vs Verb InfinitivesAdverbsImperative SentencesGrammar - Be going toAdverbs (manners & modifiers)Conditionals Type IPrepositions and ConjunctionsWill and Going toIf/Unless - Conditional type 1Other quiz:
Grammar › ViewJeremy is afraid of heights. Therefore, he doesn’t like to travel by ___________.
A. boat
B. ship
C. plane
D. train
Future Tenses › View
What is the rule for forming negative sentences in future simple tense?
A. Use ‘would not’ + base form of the verb
B. Use ‘will not’ or ‘won’t’ + base form of the verb
C. Use ‘will’ + base form of the verb
D. Use ‘shall not’ + base form of the verb
Word Form & Verb Tense › ViewEco Infrastructure Network’s main function is to deal with urban _____ problems to make Superstar City greener, cleaner and more sustainable
A. environmentally
B. environment
C. environmental
D. environ
Vocabulary › View
power generated by harnessing the energy from the movement of wind
A. solar energy
B. wind energy
C. hydropower energy
D. geothermal energy
E. biomass