1. There is no power like ______ power of confidence, and there is no student as competitive as ______ student who trusts his own abilities.
A. the; a B. a; the C. /; a D. the; /
2. I’ve heard that the wood tower was built more than 1,000 years ago, so I think it is worthy ________．
A．visiting B．to visit C．being visited D．to be visited
