[ Grammar & Vocabulary ]
______ volunteer work, we are more aware of global problems facing our world.
A. Doing
B. Making
C. Getting
D. Taking

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Grammar › ViewA sentence fragment:
A. Lacks a verb
B. Lacks a subject
C. Is a subordinate clause not attached to a complete sentence
D. Any of the above
Grammar › View
The man __ we met yesterday has gone to China.
A. which
B. (no word)
C. where