[ Tenses ]
The laboratory ____ new samples right now.
A. is testing
B. tested
C. tests
D. will test

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Grammar Like & Linking VerbPreposition after some VerbsAdjectives and DegreesVocabulary, Adjective & PrepositionGerunds and InfinitivesPresent, Past and Future TenseModal Verbs and ConjuctionsVocabullary TestProgressive TensesSo / Neither / Either / TooOther quiz:
Tenses › ViewJane is a very polite girl, she’s just being rude and nervous because of her exams these days.
A. Jane is always rude and nervous
B. Jane became polite because of her exams
C. Jane became nervous and rude because she’s having exams soon
D. Jane is impolite because she doesn’t respect anyone
Pronouns › View
__________ is some of the nicest weather we’ve had lately.
A. Those
B. That
C. This
D. These