问题补充：
something wrong with my bike. Can I use yours?
A. It is
B. It was
C. There is
D. There was
答案：
A. It is
B. It was
C. There is
D. There was
解析：考查there be句型的用法。There is something wrong with sb/sth.意思是某人或某物有问题。something在此结构中做主语，后文中是现在的情况，用there is。故选C。
