Without the sun's light the earth's surface, no life could exist on the earth.
A、warms
B、warmed
C、warming
D、to warm
【正确答案】：C
【题目解析】：without是介词，后面接动词ing，故选C
Without the sun's light the earth's surface, no life could exist
- 2024-07-22 00:50:23
- 学位英语(x0001)