A:So it wa
B:So it i
C:So was it
D:So is it
某化学兴趣小组利用图1装置探究制取气体的原理、方法及性质.结合装置图,回答下列问题:
请回答下列问题:
The man tried (尝试) several times (几次) to start the car, and he succeeded (成功)__________.