[ Grammar ]
While mom was watching TV, I _______ my homework.
A. am doing
B. was doing
C. had done
D. has done

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Past Perfect and Past Perfect ContinuousNoun and Modal Verbsas...as, comparatives, superlativesPassive with ModalsSimple and Continuous Present TenseWill vs be going toModal Verbs and ConjuctionsIdiomsTense,noun,preposition,quantityNoun Phrases and AdverbialsOther quiz:
Grammar › ViewChoose the correct sentence
A. I am working very hard, I will have many money.
B. I am working very hard, I will have a lot of money.
C. I am working very hard, I will have a money.
D. I am working very hard, I will have a little money.
Grammar › View
Joyce is ______ the floor.
A. mopped
B. mopping
C. mop
D. mops
Prepositions › ViewThe restaurant is deservedly famous ________ all who enjoy Chinese food.
A. with
B. to
C. for
D. in
Grammar › View
I’ve always ____ cats are smarter than dogs
A. think
B. thinks
C. tought
D. thought