They ______ problems.
A. caused constantly
B. were constantly causing
C. constantly causing
D. never constantly were causing
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Have to/Has toIdiom and TensesPassive Voice Active VoiceNeither/Either/All/NonePronoun & Present SimpleFuture Continuous, Future Perfect and Future Perfect ContinuousCan vs be able toGrammar - FutureThe -ing Form of VerbsSimple and Past TensesOther quiz:
Vocabulary › View______ resources are materials from the Earth used to support life and meet people’s needs.
A. Nature
B. Natural
C. Naturally
D. Naturalise
Grammar › View
Identify the shift in time in the following sentence: ‘He went to the store, and he will buy some groceries.’
A. Shift from present tense to past tense
B. Shift from singular to plural
C. Shift from active voice to passive voice
D. Shift from past tense to future tense
Adverbs, Modals, Preposition of time › ViewSge usually has dinner with her family ______ the evening, then she plays computer games.
A. at
B. in
C. on
Grammar › View
By the time I got to the stadium they ______ already ______ for ten minutes.
A) have / been playing
B) were/playing
C) had / been playing
D) will / have played