How many nationalities ______ the  country   ______？ 

Robert _____ business two years ago， but he did not get along well at first  for _____ of experience.
A took up； lack of　　B put up； short of　 C set up； need of　 D pick up； want of

After he retired from office, Rogers       painting for a while, but soon lost interest.

Look, the lights in the room don’t     . Someone must forget     .

As we are busy these days, we might      this urgent work for the time being.

When the day dawned, stars      from the sky.

He did not      for a minute to save the drowning child and jumped into the river immediately.

Temporary failure is not to be feared. We must bear it in mind that the pains-taking efforts we have made will ______ in the long run.

--They were ________ busy ________ with each other ________ the time.
--- How cool the guys are !

I won’t go there. It’s late now. __________, it is raining so hard.