.---Why were you not at the concert last night ? ---Oh.I ______ for a friend from Europe at the airport.
--How about this dress, sir? --It’s a little expenseive, and ____, its color doesn’t suit me.
It’s believed that there will be ____ time in the future when ____ man can invent everything that they need.
--I once got lost during my first visit to Beijing. -- Oh, did you? You ____ me as your guide.
There is little chance ____ the basketball player will recover from his injury in time for the next game.
. The concert was a great success--there wasn’t a single empty seat in the concert hall, ____ it was very cold.