I shall return on Tuesday______something unexpected happened.
A. if
B. unless
C. as long as
D. supposing
查看答案
She has gone to see the doctor______there is a strange growth on one of her arms.
A. because
B. after
C. in order that
D. so
The teacher didn't leave yesterday afternoon until all the students_____their papers.
A. hand in
B. have handed in
C. handed in
D. had handed in
在全局配置模式下，使用——命令配置静态路由。
A. no ip route
B. router rip
C. router ospf
D. ip route
______the rain has stopped, do you want to go tor a walk？
A. When
Because
C. Supposing
D. Now that
微信支付 
支付宝支付