[ Tenses ]
The students ____ climate change effects last semester.
A. researched
B. research
C. are researching
D. will research

Random Topics:
Reported - GerundGrammar: Adjectives & PrepositionsComparative AdjectiveOffer and SuggestionPresent Tense vs Past TenseAdverbs by TypeCompound and Complex, ConditionalsComparatives ( adj/ adv)The Simple Present TenseVerb to haveOther quiz:
Subject-Verb Agreement › ViewOf the female turtles, some (has, have) been found to be twice the size of the males.
A. Has
B. Have
Grammar › View
Which is punctuated correctly?
A. You’ll need to work harder.
B. You’ill need to work harder.
C. Youll need to work harder.