Sentence examples for are doubtful from inspiring English sources

Others are doubtful.

Scientists are doubtful.

We are doubtful.

Republicans are doubtful.

Its critics are doubtful.

Some experts are doubtful.

Most experts are doubtful.

Eiland and Jennings are doubtful.

Many Citigroup employees are doubtful, too.

But Schiff and others are doubtful.

But many independent analysts of Arab politics are doubtful.