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1£®Not having a good________ of English can be a serious obstacle to achieving your goals£®
A£®demand B£®appreciation
C£®experience D£®command
2£®We feel ________ our duty to make our country a better place£®
A£®it B£®this C£®that D£®one
3£®People have always been ________ about exactly how life on earth began£®
A£®curious B£®excited
C£®anxious D£®careful