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

Random Topics:
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:
Grammar › ViewA:___ the movie ___ begin? B:Yes. Please turn off(關閉)your cellphone now.
A. Is; will
B. Is; going to
C. Will; going to
D. Will; is going to
Grammar › View
“Don’t leave the backpack here” The teacher said
A. The teacher told me not to leave the backpack there.
B. The teacher told me not to leave the backpack here.
C. The teacher told me that I didn’t leave the backpack there.
D. The teacher told me to leave the backpack there.
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
