How long ____ you ____a fever —Ever since last night.

Look at the ______, madam. The red skirtis smaller than the blue one.— Yeah. The red one suits me better, Ithink.

In such dry weather, the flowers will have to be watered if they _____. [ ]

We’d better discuss everything ________ before we work out the plan

Robert often asks us _______his Chinese, so his Chinese is much better than before.