[ Grammar ]
Before the laboratory carts can be used to transport……………materials,technicians must wipe all exposed surfaces with a disinfectant cloth.
A. vague
B. passive
C. sensitive
D. demonstrative

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So....that... Such.......thatGrammar - too & enoughWish - beginnerGrammar - Present Perfect with already, just, yetTenses and ComparisonsOrder of AdjectivesContrastive ConjunctionsIn/On/At + TimeGrammar: Simple Past and Past ContinuousPast ParticipleOther quiz:
Past Simple Tense › ViewShe (cook) a delicious dinner, but unfortunately, she (burn) the dessert.
A. cooked, burnt
B. cook, burned
C. cooks, burnt
D. cook, burnt
TOEFL Grammar › View
What is NOT true about the given information?
A. You can buy annual tickets.
B. You don’t need to bring any form of personal identification.
C. You can save time if you book tickets online.
Grammar › ViewWhat is the contraction of ‘they are’?
A. They’re
B. There
C. Their
D. They are
Past Continuous vs Past Simple › View
Because of the rain, we ______________ to the beach yesterday afternoon.
A. didn’t go
B. wasn’t going
C. weren’t going
