[ Grammar ]
Mr. Tanaka is out now, and I don’t know when he ( ) in the office.
A. will be back
B. is back
C. is being back
D. be back

Random Topics:
Present / Future / Present Progressive / non Action VerbsBasic TensesAdverbs of How Something is DoneComparative and Superlative AdverbsPreposition of TimeModals - Reported Speech - ConditionalsModals and Present TensesComparisonPassive Voice with Modal VerbsModal and Auxiliary VerbsOther quiz:
Grammar › ViewForm abstract nouns of –
friend, free
A. friendness, freedom
B. friendship, freedom
C. freindship, freedom
Grammar › View
Helen … (to wash) the dishes for fifteen minutes.
A. have been washing
B. has been washing
C. is washing
D. has be washing
