1. —I'm worrying about the coming examination. I'm afraid I cannot pass it.
—_________！ I'm sure you' 11 make it.
A. Go ahead B. Good luck C. No problem D. Don't lose heart
2.Thank you for sending us ________ fresh vegetables of many kinds. You have done us ________ great service.
A. /; a B. the; a . C. /; / D. the; /
