There will be ________ time left. Let’s hurry, or we can’t finish the work.

Nowadays there are still a number of students school at various grades due to a lack of money in some poorer areas. [ ]

Various efforts over the centuries _________ topredict earthquakes to reduce the damage.

The medicine tastes ________ , but works ________.

It was only when I reread his poems recently ______ I began to appreciate their beauty.