问题
选择题
I go to bed _________ ten _________ Saturday evenings.[ ]
A. at; in
B. at; on
C. on; in
D. in; on
答案
答案:B
I go to bed _________ ten _________ Saturday evenings.[ ]
A. at; in
B. at; on
C. on; in
D. in; on
答案:B