[ Grammar ]
The scientists __________(conduct) experiments in the lab.
A. have been conduct
B. have been conducting
C. has been conducting

Random Topics:
Wish SentenceAdverb of FrequencyComparative AdverbsVerbs and Possessive AdjectivePast Simple vs Past ContinuousPerfect TenseSimple PresentGerund & InfinitiveHomophonesModifiersOther quiz:
Grammar › ViewInteresting news (is-are) what sells our paper.
A. is
B. are
Conjunction › View
A stranger asked Amy to be his friend ______ she told her mother about it immediately.
A. but
B. because
C. so
Identify The Tenses › ViewRamona and Rina had been studying for hour when their parents arrived home.
A. Past Simple
B. Past Continuous
C. Past Perfect
D. Past Perfect Continuous
Prepositional Phrases › View
Which sentence uses the bold word as a preposition?
A. My cousin from El Salvador is coming to visit.
B. A cry for help came from within the cave.
