三、单项选择(共18分,每小题1分)
( ) 15.---- Is this _______? ---- No, _______ is on the table.
A.your, yours B.mine, my C.yours, mine D.my, yours
( ) 16.Most of the business e-mails are written _______ English.
A.by B.on C.for D.in
( ) 17.---- Do you know _______? ---- Yes, I do.She came here on foot.
A.where Lucy came from B.how Lucy came here
C.where did Lucy come from D.how did Lucy come here
( ) 15.---- Is this _______? ---- No, _______ is on the table.
A.your, yours B.mine, my C.yours, mine D.my, yours
( ) 16.Most of the business e-mails are written _______ English.
A.by B.on C.for D.in
( ) 17.---- Do you know _______? ---- Yes, I do.She came here on foot.
A.where Lucy came from B.how Lucy came here
C.where did Lucy come from D.how did Lucy come here