问题补充:
单选题Hisparentsthoughthewasworkingveryhardintheroom,_____infact,hewaschattingwithhisfriendsontheInternet.A.whenB.whereC.whichD.while
答案:
D
时间:2020-01-29 00:16:19
单选题Hisparentsthoughthewasworkingveryhardintheroom,_____infact,hewaschattingwithhisfriendsontheInternet.A.whenB.whereC.whichD.while
D