问题
选择题
--Has your teacher returned from America yet?
--Yes, but he _______ here for only three days before his company sent him to Africa.
A.was
B.has been
C.will be
D.would be
答案
答案:A
--Has your teacher returned from America yet?
--Yes, but he _______ here for only three days before his company sent him to Africa.
A.was
B.has been
C.will be
D.would be
答案:A