[ Vocabulary ]
The water _______ in nature ensures a continuous supply of nutrients to aquatic ecosystems.
A. challenge
B. hardship
C. despite
D. cycle
Random Topics:
Linkers and ConjunctionsPhrasal Verb With TakeDegree of ComparisonRelative Clauses and UsageGrammar TOEFLModals of Advisability1st & 2nd ConditionalsAlthough, Though, In spite of, DespiteLinking Verbs and TensesModals: Possibility, Necessity, ExpectationOther quiz:
Simple Past - Irregular Verbs › ViewWe ________ to the beach in the morning yesterday.
(to drive)
A. drove
B. driven
C. drived
Perfect Tenses › View
Which tense is formed by using the auxiliary verb will have/ shall have plus the past participle form of the verb?
A. Simple future tense
B. Past perfect tense
C. Present perfect tense
D. Future perfect tense
Preposition › ViewIdentify the preposition in the sentence: She is walking ___ her friend.
A. with
B. through
C. over
D. against
Future Tenses › View
I _____ this book for tonight’s classes.
A. am going to use
B. am using