[ Grammar ]
The students _______ hard for the upcoming exams.
A. are studying
B. study
C. studying
D. studied
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Vocabulary and Grammar › ViewThere are many available _______ power sources in Vietnam including sun, wind, water, etx.
A. nuclear
B. hydro
C. renewable
D. solar
Punctuations › View
It can be used to show distance, period of time or number of scores.
A. dash
B. hyphen
C. colon
D. parenthesis
Grammar › ViewA：＿＿＿ tea do you drink every day? B：I drink ＿＿＿ tea.
A. How old; much
B. How many; many
C. How much; a lot of
D. How; a lot
Grammar › View
There _______ five puppies for sale because the couple already has ten puppies.
A. are
B. is