28. We have gathered nearly 100,000 quilts, ____ up to half have gone to the flooded-hit areas.
What do you suggest________more suitable?
The result suggests that she________her best to study English since then.
We followed their suggestion that we________right now.
It's surprising that your brother ________Russian so quickly—he hasn't lived there very long.
You'd better________ the instructions so that the children could understand them.