相关考题
-
单项选择题
You should keep national flag（飘扬）（）.
A.flew
B.flown
C.flying
D.flies -
单项选择题
（）（调整）ropes when necessary.
A.Try
B.Adjust
C.Notice
D.Operate -
单项选择题
I shall keep the﹙保安巡逻)（） .
A. coast patrol
B. inshore patrol
C. patrol service
D. security patrol
