—Listen! Someone ____________ on the street.—Singing? He is crying. A. is singing B. sing C. sings
– Do you know_______ this pencil case is? – Let me see. Oh, it's_______.
Which of the following isn’t a capital city?
We will arrive _______ Shanghai _______ the evening of April 28th.
There is ____ “l” and ____ “u” in the word “luck”.
Our house stands alone ______ the street.