—Steve, ___do you play football after school?---Twice a week. It can keep me healthy.
– 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.