[ Grammar ]
The biggest problem of environment protection is the indifference of people who don’t care enough to get…
A. involved
B. concerned
C. engaged
D. joined

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Grammar › ViewKath would like to know _______________.
A. what is your number
B. what your number is
Modal Verbs › View
I _____ like to thank you for your hospitality.
A. Can
B. Must
C. Could
D. Would
Vocabulary › Viewgrasping, avaricious
A. inert
B. reciprocal
C. pallid
D. mercenary
Tenses › View
He (eat) donuts and (drink) fruit juice last Monday.
A. eat/ drink
B. eats/ drinks
C. will eat/ drink
D. ate / drank
