[ Grammar ]
We ——- check the equipment every day .
A. must
B. mustn’t

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Grammar › ViewThe data from the experiments __________ inconclusive.
A. is
B. are
C. was
D. were
Tenses › View
What do we use the simple present tense for?
A. To refer to events that happened in the past
B. To refer to events happening now
C. To refer to future scheduled events
D. To express a wish or desire
Tenses › ViewTrue or False:
“Past continuous is used when talking about something that happened when something else was happening.”
A. TRUE
B. FALSE
Sentence Types › View
She ate her lunch, took a walk, and went back to work.
A. Simple
B. Compound
C. Complex
D. Compound-Complex
