[ Tenses ]
The dog ___ to the door when he heard a noise.
A. run
B. runs
C. ran
D. will run

Random Topics:
Would/would like - affirmative/negativeV-ing/to-VGrammar - Punctuation of SentencesIn/On/At + TimeTOEFLPast Tense vs Present Perfect TenseAcademic VocabularyGerund & InfinitiveVerbs of movementGrammar & VocabularyOther quiz:
Grammar › ViewChoose the correct alternative.
I ______ the washing up when I _______ a plate.
#
A. was doing / dropped
B. did / was dropping
C. did / dropped
D. was doing / was dropping
Prepositions › View
Your microhabitat may be without occupants for a long time, but usually some animals will reach it ____ the end.
A. at
B. on
C. in
D. for
Grammar › ViewBy using the environment sustainably, the environment and the natural resources ____ provides will not be depleted or destroyed permanently – and will be available for human use for a very long time.
A. that
B. which
C. what
D. it
Grammar › View
We don’t like _____.
A. this habit of him
B. this of his habit
C. this habit of his
D. his habit of this
