[ Causative Verb ]
Abundance of prey can vary locally within a region. —-, whales must be prepared to move constantly in search of the highest food densities.
A. Since
B. Both
C. As
D. Thus
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Present and Past TensesPresent Tenses and VocabularyWill vs Verb InfinitivesPresent Perfect Simple & Present Perfect ContinuousParts of SpeechWill vs be going toSpeech TensesDemonstrative PronounsRelative Clauses beginning with PrepositionsFuture Continuous, Future Perfect and Future Perfect ContinuousOther quiz:
Grammar › ViewYou —- the locksmith to open the door for you last night before you tried to open the door yourself.
A. ought to have called
B. must call
C. could call
D. had better call
Grammar › View
What is the subject of this sentence? The cat sleeps on the couch.
A. The cat
B. sleeps on the couch
Future Tenses › ViewWhat … on Wednesday?
A. are you doing
B. will you do
C. do you do
Grammar › View
Identify the part of speech for the underlined word:
Put the book back on the shelf.
A. Verb
B. Preposition
C. Adverb
D. Conjunction