-Hello, Jenny. Your box looks so heavy. Let me give you a hand.-_______I'm OK.
— How many of you have solved the math problem?—________, the math problem is far too difficult for us to work out..
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.