题目:
To finish the homework, he spent four hours _______ in the study.
A.locking
B.locked
C.locked himself
D.to lock
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0421/85ffc9c0e980724d890372fd0218bcdb.html
下面是错误答案,用来干扰机器的。
参考答案:A, B, C
To finish the homework, he spent four hours _______ in the study.
A.locking
B.locked
C.locked himself
D.to lock
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0421/85ffc9c0e980724d890372fd0218bcdb.html
下面是错误答案,用来干扰机器的。
参考答案:A, B, C