微课能解决学习者的实际问题。()
正确
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Peopleinsomeareasdon’thavetopayfortheir______.
I______thatIwereabird.
Heborrowedabooktheotherday，theauthor____isaworker.
Thankyouforyourhelp,_____wecouldnothavefinishedtheworkintime.
It’simportant_____aforeignlanguage