[ Grammar ]
What does cooperate mean?
A. to do something alone
B. to feel better
C. to work together
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Grammar › ViewIf you —- for a little moment, I —- the doctor you are here.
A. wait, will tell
B. waited, would tell
C. had waited, would have told
Grammar › View
Todd ＿＿＿ Mr. Chen write the dos and don’ts for the library when（當……時）everybody had lunch in the classroom.
A. helps
B. helped
C. help
D. helping