I can't find the lbrary .What____ I ______(do)I can't find the lbrary .What____ I ______(do)

I can't find the lbrary .What____ I ______(do)I can't find the lbrary .What____ I ______(do)
I can't find the lbrary .What____ I ______(do)
I can't find the lbrary .What____ I ______(do)

I can't find the lbrary .What____ I ______(do)I can't find the lbrary .What____ I ______(do)
我不能找到图书馆,我应该怎么做.应该should,should是情态动词后接动词原形,故第二个空为do
正确答案为：I can't find the lbrary .What should I do

what can I do?

can, do

What should I do?

can;do
should;do

What should I do?

what should i do ?