-You’re dropped __________ “s” in the word “across”.-Oh, you are right, __________ letter “s” should be doubled like this “cross”.
Kangkang won the first place in the _______ in the school sports meet last week.
We should _______ the school rules as students.
Bob came to China with her mother __________ the third time in 2008.
Don’t shout at him. He _______.
Don’t worry. I’m sure ________ there on time.