[ Grammar ]
I ………a letter at the moment.
A. write
B. writes
C. writing
D. am writing

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Grammar › ViewIdentify the subject and the verb of the sentence:
There are two hundred fish at the aquarium.
A. subject: fish
verb: are
B. subject: aquarium
verb: at
C. subject: fish
verb: There
D. subject: aquarium
verb: are
Asking & Giving Opinion › View
A: What do you think about my dress?
B: _________________ you look nice!
A. I think
B. Don’t you
C. I know it
D. What’s your opinion?
Grammar › ViewSomebody __________ taken the document without my permission.
A. has
B. have
C. was
D. were
Grammar › View
The really happy people are those ………… enjoy their daily work.
A. what
B. who
C. which
D. whom
