Mike felt sad because he failed his exam yesterday. —I’m sorry to hear that. Let’s ___.

Mary has two brothers, ________ are doctors.

What _______ fine weather it is! Shall we go hiking— Yes. What _______ good suggestion it is!

The child tiptoed quietly to the bird. __ into the forest when he was about to catch it.

What do youthink of the young lady — She is hard-working. She ________all her effort into her work before she got ill.