问题补充:
单选题Theteacherwon’tbegintheclass______allthestudents______.A.until ; stop to talkB.until; stop talkingC.if; stop to talkD.if ; stop talking
答案:
B解析此题考查了两个知识点“not...until”意为“直到...才”和“stop to do sth”与“stop doing sth”的区别。
时间:2020-09-05 13:10:24
单选题Theteacherwon’tbegintheclass______allthestudents______.A.until ; stop to talkB.until; stop talkingC.if; stop to talkD.if ; stop talking
B解析此题考查了两个知识点“not...until”意为“直到...才”和“stop to do sth”与“stop doing sth”的区别。