[ Grammar ]
A minor electrical malfunction was discovered by the pilot ____________ before the plane took off.
A. Barely
B. Shortly
C. Absolutely
D. Exclusively

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Synonyms and VocabularyVerb Tenses and UsagePresent Continuous for FutureSimple Past Tense and Past Perfect TenseSimple Present Negative and QuestionSecond Type ConditionalTenses and VoicePast PerfectConditionals and WishesSimple PastOther quiz:
Prepositions › ViewWe benefit greatly ________ the medicines and other products that biodiversity provides.
A. from
B. without
C. for
D. at
Grammar › View
The brochure is ___________, so we decide not to buy that machine.
A. uninformative
B. inexperienced
C. impolite
D. unsuccessful
Grammar › ViewWhat do you do on Mondays?
A. I usually have online classes.
B. I had some online classes yesterday.
C. I will have an English class tomorrow.
D. I doesn’t have classes.
Tenses › View
Choose the best answer to complete the following answer:
What ___ at 7 p.m. yesterday?
A. were you doing
B. are you doing
C. do you do
