--- How much is the ticket to Central Park?--- A one-way ticket ______ $40, and you can ______ another $20 for a round-trip.
He’ll phone you as soon as he ________ Beijing .
It takes him too much time __basketball. He should spend more time __his homework.
He fell off the bike ________.
The students were all tired but ________ of them stopped ________.
He is a teacher. He has been a teacher ____ 1990.