[ Mixed General Quiz ]
It was hard to concentrate while hearing the sharp, loud ___ of the typewriters.
a. clack
b. crack

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Grammar › ViewChoose the correct conjunction to complete the sentence:
I couldn’t hear _____ could I see the speaker.
A. and
B. nor
Adjective and Adverb › View
Minh sings a song ……………..
A. beautiful
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Grammar › View
I haven’t seen her ________ my birthday.
A. since
B. for
