阿摩線上測驗
27. A: What was Peter doing when the computer ______? B: He ______ up his history report.
(A) crashes, typed
(B) was crashing, was typing
(C) crashed, was typing
(D) crashed, typing
答案：登入後查看
統計： A(0), B(0), C(1), D(1), E(0) #3408546
統計： A(0), B(0), C(1), D(1), E(0) #3408546
