.We _________have 100 yuan .

.We _________have 100 yuan .
.We _________have 100 yuan .

.We _________have 100 yuan .
only

could/only/will/do

we only have 100 yuan.

什么意思?可以填的很多.可填情态动词can,will,或者副词only表程度，总之根据have来填，不可填表示过去的词．