It’ll be only a few days the Spring Festival comes round.A. afterB. sinceC. beforeD. when

问题补充：

It’ll be only a few days the Spring Festival comes round.

A. after

B. since

C. before

D. when

答案：

A. after

B. since

(答案→)C. before

D. when

解析：句意：还有几天春节就到了。这里用了固定句型：It will be+一段时间+before….“还有多久…才/就…”,since也可以和一段时间连用，但是句型是：It is/has been+一段时间+since+从句。所以选C。