______ grapefruit I ate today was not as good as the one I had yesterday.
A.A B.The C.An D.x
Please put the letter ______ the envelope.
A.in B.from C.at D.between
The cat comes in ______ the outside.
A.in B.from C.under D.at
He ______ everybody about the change.
A.is informing B.was informed C.informing D.are informing
I always ______ my homework after dinner.
A.do B.does C.is doing D.doing