来自代科学的问题
Itwillbealongtime________Frank________backfromabroad．A.before;comesB.since;hascomeC.when;willcomeD.after;came
Itwillbealongtime________Frank________backfromabroad．
A.before;comes
B.since;hascome
C.when;willcome
D.after;came
1回答
2020-05-16 11:59