[ Grammar ]
They are _____ some fascinating research on the language of dolphins.
A. carrying on
B. carrying out
C. finding out

Random Topics:
Adverbial ClauseConditionals III - Mixed 1st, 2nd & 3rd ConditionalsGerunds, Infinitives and ParticiplesDefinite & Indefinite Pronoun & ConditionalsQuantifiers with NounsPresent Continuous, Present Perfect and Used toAsking & Giving OpinionModals for RecommendationsCountable and UncountableSecond Type ConditionalOther quiz:
Tenses › ViewWe (heard) ____ that story several times already.
A. has heard
B. hear
C. have heard
D. will hear
Grammar › View
The rain … later.
A. stopped
B. stopping
C. will stop
D. is stopping
Grammar › ViewChildren ____ happy when they receive candies.
A. is
B. am
C. are
Present Simple or Present Continuous › View
Sam is talking to the teacher. …………………… Sue and Amy …………………….. for him?
A. Does ……………….wait
B. Is ……………….. waiting
C. Are ……………. waiting
