Carbon dioxide is produced in huge amounts when_______ are burned.
A. greenhouse gas
B. deforestation
C. power plant
D. fossil fuels

Random Topics:
Tenses and ArticlesFuture Tenses and ModalsVerb FormsConditionals III - Mixed 1st, 2nd & 3rd ConditionalsGerund and InfinitivesGrammar ModalsUnscramble SentenceFuture PlansGrammar: Have toModal Verbs and PermissionOther quiz:
Tenses › View. Differentiate: What is the difference between ‘has eaten’ and ‘had eaten’?
A. ‘Has eaten’ indicates a future action while ‘had eaten’ indicates a present action.
B. ‘Has eaten’ refers to a recent action with present relevance, while ‘had eaten’ refers to a completed action before another past event.
C. ‘Has eaten’ is used for actions that will happen, and ‘had eaten’ is for ongoing actions.
D. ‘Has eaten’ refers to a past action with no relevance, while ‘had eaten’ indicates a future action.
Tenses › View
We are students.
A. Simple Present Tense
B. Simple Past Tense
C. Present Perfect Tense
D. Future Tense of Be Going To
Grammar › ViewYou have to make a hotel ______ reservation in advance.
A. expensive
B. accommodation
C. seaside
Grammar › View
My classmates ____ our teacher postpones the exam.
A. wish
B. hope
