1．—Excuse me，may I use your car?
—I'm sorry.I'm afraid I can't ________ the car key just at the moment.
A．rely on B．break away from
C．put my hands on D．keep my hands off
[解析]句意：“打扰一下，我可以用一下你的车吗？”“对不起，恐怕我不能马上找到车钥匙。”put one's hands on 意为“找到”，符合句意。rely on 依靠；break away from 挣脱；keep one's hands off 不要管，不要碰。
[答案]C
2．(2012•浙江萧山中学月考)—How do you like Robie?
—He has been trying hard at his subjects.________ he is an excellent student.
A．No wonder B．No problem
C．No excuse D．No doubt
[解析]no doubt 毫无疑问。no wonder 难怪；no excuse 没有借口；no problem 没问题。
[答案]D
