[ 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:
Verb Tenses › ViewWhich verb tense is used to describe an action that will happen and be ongoing in the future?
A. Future continuous tense
B. Present continuous tense
C. Future perfect tense
D. Past continuous tense
Mixed General Quiz › View
The choir sang a ___ in honor of the newly married couple.
a. him
b. hymn
If 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
