问题
You can call me __________ 0512-51234567 or e-mail me __________lily@changshu.com.cn mailto:lily@changshu.com.cn.[ ]
A: on, at
B: at, on
C: by, on
D:on, on
B: at, on
C: by, on
D:on, on
正确答案是：
同类题型
Bill, can I use your dictionary? I left mine at home.—Of course you________. Glad to help you.
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Don’t just wait for other’s help. God help those who help .
With their help, we finished the work with _______ people and ______ time.
Yesterday when I _______ to the station, the train ______ already.