—Will people live to be 300 years old? —_________.
I wondered ___________________.
—Is there anything you want me to get on the bus?—Sure.______ take the suitcase?
This educational CD-ROM makes _____ easier for you to learn English.After using it for a month, you’ll have no difficulty ________ with foreigners.
—Can I walk across the road now, Mrs.Chen?—No, you ______.You have to wait until the light turns green.
--- Middle school students hardly know anything about shopping online, __________ they? --- ________.It’s very popular with teenagers.