There is ________ “s” and________ “u” in the word “student”.
Look at the big room. It’s ______ .
— ______ up, Anna. It’s seven thirty. —One more minute, Mum.
______ interesting story it is!
—Is there ______ rice in the bowl? —No, there isn’t. There is ______ meat in it.
当你在野外发生意外,急需援救时,你应该打出什么信号? A.SOS B. UFO C.WTO