I am sorry to have __ too much of your time.—That’s OK, and I am glad to help you.[ ]

We don’t think the experiment is ___ failure. At leastwe have gained ___ experience for future success.

I hear Sam has gone to Qingdao for his holiday.—-Oh, how nice! Do you know when he

. —This kind of cloth _________ well and _________ long, besides, it’s cheap.—OK, I’ll take it.

Have you got any particular plans for the comingholiday—Yes，________，I’m going to visit some homes for the old in the city.