[ Grammar ]
If John _______ hard, he could pass the examination.
A. works
B. worked
C. has worked
D. had worked

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Grammar › ViewIdentify the sentence type below.
Where are you going?
A. interrogative
B. exclamatory
C. declarative
D. imperative
Relative Clauses › View
My best friend can compose songs ___________our class sing together very well.
A. who
B. when
C. where
D. which
Indefinite Pronouns › ViewIf the phone call is for me. I’m not here. I’m not talking to ______ this weekend.
A. anybody
B. nobody
C. somewhere
D. something
Vocabulary › View
Windmills ____________ electricity from wind.
A. interfere
B. civilize
C. generate
D. provide