一、单项选择题。 ( ) 1. Before the bridge was built __________ the river, the villages had to take a boat to the other side. A. in B. beside C. across D. along ( ) 2. Young people today _____________ posting wonderful articles and beautiful photos onto the micromessage(微信) to share with friends. A. are afraid of B. are used to C. are worried about D. guarding against ( ) 3. A ship from South Korea sank into the sea ___________ April 16,2014. A. in B. at C. on D. for
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