托业考试

【单选题】We ______ connect to the Internet yesterday due to a power failure.
A、shouldn’t
B、couldn’t
C、may
D、would rather

网考网参考答案：B
网考网解析：
暂无解析 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>