[ Vocabulary ]
High levels of pollution can upset the ____________ of an ecosystem.
A. average
B. substance
C. reason
D. balance
Intensive vs. Reflexive PronounRun-on Sentences Simple Present Tense Simple Present - Negative & InterrogativeWould rather/ would prefer/ would likeComparatives, Superlatives & EquativesPositive and Negative ConnotationsPerfect Tenses of VerbsPresent Simple
Other quiz:
Grammar › ViewIndonesia together with 18 other countries and The European Union ………… the G20 Summit in London when the news was reported.
A. Was attending
B. Were attending
C. Has attended
D. Attended
Grammar › View
I feel very…. I need water to drink
A. Hungry
B. Angry
C. Thirsty
How to use : Read the question carefully, then select one of the answers button.
