—Are Lily and Jack from the U.S.A.?—Yes, ________. A. she is B. he is C. they are
We really don’t know _________ with our problems in learning English.
They were walking ________ a forest after they swam _______ the river .
_______should not be allowed to get ears pierced.
What would you do if you had _________ dollars ?
Jimmy is _________one-year-old boy and he has_________8-year-old sister.