[ Subject-Verb Agreement ]
He (is, are) reading about space travel.
A. is
B. are

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Vocabulary › Viewto do something enjoyable or a special occasion
A. festival
B. Celebrate
C. custom
D. lucky
Grammar › View
I want to have a party. Who _____ invite?
A. you like to
B. would you like to
C. you would like to
Grammar › ViewIf we ……… littering, the environment will be polluted.
A. turn off
B. go on
C. go to
D. turn on
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We ………… the job sooner if you hadn’t wasted time
A. might have finished
B. will finish
C. have finished
D. did finish
