英语时态的几道题

1.Written applications should be sent to us in case____some problems with the electric version.

A.there will be B.there is C.there be D. there was

答案是C A不是将来时吗～

2.At that time,the poor girl can't but _____all her belongings at a low price.

A. to sell B. sell C.selling D.sold

答案是B selling怎么不对的？

1这里是虚拟，所以用there be

2 can not （do） but do 除了（but后的行为）没有其他的做法、办法，只能做……