[ Grammar ]
Our company opened ______ office in Singapore last week, and we didn’t know they were planning to open one.
A. an
B. a
C. the
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Grammar › ViewI was _____ my homework when i heard some eerie sound outside my window.
A. do
B. does
C. doing
D. did
Grammar › View
” ___________ is she?” “She’s my friend from London”
A. Who
B. Why
C. Which
D. What
Last year I didn’t work hard, but this year I……..
A. worked hard
B. didn’ work hard
C. have worked hard
D. had worked hard
Tenses › View
Choose the correct form: I (not finish) my project yet.
A. did not finish
B. have not finished
C. have not finish
D. not finished have