[ Vocabulary ]
The population got out of control because there were no natural ………. to keep it in check.
A. predators
B. transports
C. excavations
D. generations
Random Topics:
ModifiersConditional Sentence Type 2 and Type 3Noun PhrasesPerfect and Past TenseOn, At, ByModal Verbs in ConditionalsCorrelative conjunctionsIntensifiers: Really vs VeryPhrasal Verbs with up and downGerund vs InfinitiveOther quiz:
Future Tenses › ViewWhat 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
Frequency Adverbs › View
She _____dinner for the family.
A. cooks often
B. often cooks