I really can’t ______ which sweater to buy.— Maybe I can help you. Youlook smarter in that blue one.

The fact _______ she had not said anythingsurprised all of us.

.—-Is she older than you? —–Yes, she is older than I ___ three years

________ there, the southwest desert contains a remarkable variety of plants.

Have you finished doing the work____——Not____.