[ Tenses ]
Ken ………………twenty emails since this morning
A. has send
B. has been sending
C. has sent

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In/On/At + TimePast Simple TenseModals "Should"PrepotitionsPrepositions of TimePassive Voice, Modals of Deduction and First ConditionalEnglish for TourismSuperlative AdjectivesPresent Simple and Present ContinuousCountable QuantifiersOther quiz:
Simple Present Tense › ViewThey __________ happy
A. Seem
B. Seems
C. Seeming
D. Sem
Grammar › View
the number we divide by
A. dividend
B. earthquake
C. divisor
D. quotient
Grammar › ViewAsk your boss if you can take the day off. ___ he can’t say no.
A. In other words,
B. Besides,
C. I mean,
D. On the whole,
Tenses › View
What is the correct past tense form of the verb in “College students are suppose to attend every class meeting”?
A. supposed
B. supposes
C. suppose
D. supposing