—Whose is this toy truck?
—It _________ belong to Dick. He was the only little kid at the picnic.
can’t
must
could
need
You needn’t make so many excuses. I ____ your parents.
--It’s a good way to ____ your products on the Internet if you want to attract more customers. -- Sounds great!
This computer can’t work ____ . It needs to be fixed.
-- Finding information in today’s world is easy. -- That’s right. The ____ is how you can tell if the information you get is useful.
---It’s been a wonderful party. Thank you very much. ---________.