[ Grammar ]
when our headmaster _______ the door,he _____ a snake is behind the door
A. opened,saw
B. open,saw
C. opening,saw
D. has opened,see

Random Topics:
Pre-intermediateAdverbs of How Something is DoneNoun ClauseHas Got & Have GotCan/CouldSynonym and AntonymSubject Verb Agreement and Verb TensesWish SentencesTenses and QuestionsSpeech TensesOther quiz:
Grammar › ViewThis weekend I am going to my dad’s house and ______ my other dog.
A. see
B. will see
C. seeing
D. saw
Grammar › View
I would rather you …………..pick your nose in public
A. don’t
B. didn’t
Grammar › ViewIf I had more time, I ________ do more exercise
A. want to
B. would
C. will
Grammar › View
At what age did you learn _____?
A. to drive
B. driving
