28. We have gathered nearly 100,000 quilts, ____ up to half have gone to the flooded-hit areas.
I tried phoning her office, but I couldn't __________.
Jane is very popular because she is easy to __________.
__________ a strange plant! I've never seen it before.
Who do you think you'd like __________ with you, a boy or a girl?
— __________ Emily is in such a hurry? —I don't know. She might run to catch the bus.