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:
Grammar › ViewThe man ______ the car.
A. fixing
B. fix
C. fixes
D. fixs
Grammar › View
(1) The chimps at the Houston Zoo enjoy many enrichment activities. (2) The chimps’ playrooms are packed with toys, blankets, and more swings. (3) The keepers use them to keep the chimps engaged and to encourage the expression of natural behaviors.
Which of these sentences could BEST follow sentence 3 to enhance the meaning?
A. Chimps can also rest in private cages that give them access to the indoor play space.
B. Going to the zoo is a great way to spend the day.
C. At the zoo there is a lot to do.
D. There are many ways to encourage natural behaviors in animals at the zoo.
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