求详解英语九年级期中联合考试题（题很少）

求详解英语九年级期中联合考试题（题很少）
①Miss Liu bought a car yesterday.It can _____ 180 kilometers an hour. So she is very happy.
A.get to B.arrive C.reach
②I'm very glad to help you.Please let me know _____ you have trouble.
A.whenever B.whatever C.however


求详解!