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We can surely overcome these difficulties _,___ we are closely united.

A. so far as               B. so long as              C. as soon as           D. as well as

We can surely overcome these difficulties _,___ we are closely united.

A. so far as               B. so long as              C. as soon as           D. as well as

We can surely overcome these difficulties _,___ we are closely united.

A. so far as               B. so long as              C. as soon as           D. as well as

We can surely overcome these difficulties _,___ we are closely united.

A. so far as               B. so long as              C. as soon as           D. as well as

We can surely overcome these difficulties _,___ we are closely united.

A. so far as               B. so long as              C. as soon as           D. as well as