单项选择题
The company in question does steady export business, （） satisfactory results in overseas markets.
A.show B.to show C.showed D.showing
单项选择题 The bigger your audience,（） complicated communication channel choice becomes.
单项选择题 One of its tasks is to get business information and （） new business opportunities for its members.
单项选择题 If you have someone accompanying you, ten miles （） a long way to walk.
