[ Grammar ]
He in the garden since morning.
A. is working
B. work
C. has worked
D. has been working

Random Topics:
Has and HaveEs and SVocabulary and PrepositionsConjunction: Because and SoPronouns and QuantifiersRelative ClauseGrammar (want to/ need to/ have to)Auxiliary ModalWishes & Reported SpeechTime ExpressionsOther quiz:
Adverb & Compound Sentences › View__________ the teacher explained the concept well, the students understood it, __________ they could apply it effectively.
A. Once, and
B. Since, and
C. When, but
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Grammar › View
____ Yes, I do. It’s delicious.
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B. Do you like Korean food?
The park is ___.
A. an area good
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Grammar › View
Which one is a countable noun?
A. bowl of noodles
B. coffee
C. cheese
D. rice