[ 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:
Phrasal Verb › ViewWhat phrasal verb means “to meet with someone you haven’t seen in a while”? I met my friend for lunch ______ because we haven’t seen each other in months.
A. to catch up
B. to check out
C. to calm down
Grammar › View
Choose the best word for the blank-
The meaning of ___________ is ugly, unnatural or unpleasant.
A. grotescue
B. grotesque
C. grutesque
D. grotesqu
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