We were about to go outing it began to snow heavily. A. when B. while C. as D. until a is one of the developing countries the third world A. belonging to B. belongs to C. is belonging to D. are belonging to 查看更多

 

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We were about to go outing _____ it began to snow heavily.
[     ]
A. when
B. while
C. as
D. until

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We were about to go outing______ it began to snow heavily.    

A.when

B.while

C.as

D.until

 

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We were about to go outing ________ it began to snow heavily.

[  ]
A.

when

B.

while

C.

as

D.

until

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