Small sailboats can easily turn over in the water ______ they are not managed carefully.

It was reported that it would _____ fine for the next few days. [ ]

The doctor tried to laugh my brother _____ his fears about the coming operation.

Kevin, you look worriedAnything wrong?— Well, I ________ a test and I’m waiting for the result.[ ]

Do you often visit your grandparents?　— Mmm… ________ , I’m afraid. I usually phone them.