21.--- This kind of cloth ____ well and____ long, besides, it’s cheap.--- OK, I’ll take it.
In Switzerland, six miles west of Geneva,___________ a collection of laboratory buildings.
Collecting stamps as a hobby___________ increasingly popular during the past fifty years.
The train was__________ to arrive at 11:30,but was an hour late.
__________ full preparations, we decided to put off the meeting till next week.
You ________ pay too much attention to your reading skill, as it is so important.