I lost my key. Please call me ______ 678-5678.
—Please don't step on the grassland. Can't you see the sign "______ the grassland" ?—Sorry, sir! I didn't see it.
—How do you plan to go for your next trip?—I'm not sure. I ______ take a plane.
All of them can take this job, but I want to know who is______ .
—lt seems that you are very busy with your subjects all the time, Sally.—I have to. I have a lot of ______ from the society.
In my hometown, summer is always ______ hottest season. But ______ summer of 2013 wasn't so hot as usual.