[ Grammar & Vocabulary ]
My father was raking leaves __________ he saw a big snake slithering behind the tree.
A. who
B. when
C. which
D. while

Random Topics:
Passive to ActiveSo / Neither / Either / TooGrammar - Wh QuestionsGrammar and IdiomsSimple Past TenseToeic Verb1st ConditionalNoun / Pronoun-ed/-ing AdjectivesMust Vs Have toOther quiz:
Noun / Pronoun › View. Choose the sentence that correctly uses a relative pronoun.
A. The book that you lent me was fascinating.
B. This is mine.
C. Everyone should bring their own lunch.
D. Who is at the door?
Present Tenses › View
He ____ to the top of the mountain three times and he plans to do it again.
A. has been climbing
B. has climbed
C. is climbing
D. climbs
Conditional Sentence › ViewIf you (to wear) ____ sandals in the mountains, you (to slip) ____ on the rocks
A. wears, will slip
B. wear, slip
C. wear, will slip
D. will wear, will slip
Grammar › View
Class started _____ 8 am.
A. to
B. at
C. in
D. on
