[ Relative Clauses and etc ]
London, __________ is the capital of England, used to be more polluted than it is now.
A. where
B. which
C. who
D. that

Random Topics:
InfinitivesPresent, Past, and Future TimeExclamationVerb + InfinitiveSimple Present ProgressivePast Tense, Recount Text, and Future TenseBasic GrammarHope, Thank, Modal VerbsFuture - will / going to / present continuousSimple Past Irregular & NegativeOther quiz:
Grammar › ViewWe won’t go out…….it stops raining
A. if
B. unless
C. when
D. if not
Verbs: Action, Linking, and Helping › View
That table is my favorite one.
What type of verb is the underlined verb?
___
A. Action verb
B. Linking verb
C. Helping verb
Family Vocabulary and Grammar › View. My sister ___ a scientist in the future.
A. will be
B. is
C. was
D. being
Tenses › View
Which is grammartically correct?
A. I not studying here.
B. She is work in the post office.
C. Where does he works?
D. Is he coming now?