[ Adjective Clause ]
He studied math……….is easy
A. Who
B. Which
C. Where
D. When

Random Topics:
Noun ClausesPresent Simple VS ContinuousGrammar - direct/indirect objectsA(n), the, no articlePassive Voice in Past and Present TenseThe Past SimpleHave to/Has toModal and Modal PerfectComparative AdjectiveGrammar - much, many, a lot ofOther quiz:
Grammar › ViewMr. Tanaka is out now, and I don’t know when he ( ) in the office.
A. will be back
B. is back
C. is being back
D. be back
Grammar › View
The children were worried about_____ grandmother because she was admitted to hospital yesterday.
A. our
B. ours
C. their
D. theirs
Grammar › ViewHe likes to read ________ short stories.
A. a
B. an
C. the
Quantifiers › View
We have _________________ knowledge of market analysis.
A. a few
B. few
C. little
D. a little