[ Present Perfect Tense ]
What have they seen
A. They see a lion
B. they saw sea lions.
C. they have seen sea lions

Random Topics:
as...as, comparatives, superlativesPresent Continuous TenseConjunctive Adverbs and PunctuationPast PerfectModals of DeductionGrammar : can, could and be able toUsed to & would & Past SimpleFuture Continuous TensePRESENT SIMPLE vs PRESENT CONTINUOUS + QUANTGrammar - Present PerfectOther quiz:
Grammar › ViewI _____ leave early because I wasn’t feeling well.
A. has to
B. mustn’t
C. had to
D. have to
Present Simple Tense › View
Negating sentences in present simple tense: Rewrite the following sentence in the negative form using present simple tense: She eats breakfast every morning.
A. She not eat breakfast every morning.
B. She doesn’t eating breakfast every morning.
C. She does not eat breakfast every morning.
D. She not eats breakfast every morning.
Conditional Sentences › ViewIt’s too bad Helen isn’t here. If she_____ here, she_____ what to do.
A. is / will know
B. was / knows
C. were / would know
D. are / would have known
Grammar › View
________ Peter ________ Mary?
A. Does – know
B. Is – knowing
C. Does – knows
D. Do – know
