高中英语问题,请进
1.()mrbrown()thisweek?
AhasworkedBdoesworkedCdidworkedDisworking
2.-doyoustillrememberwhenwewenttonanjing?
-icantremembernowbut()sometimelastsummer?
AmightitbeBcoulditbeCcouldithavebeenDshouldithavebeen
要解答过程,谢谢.