________hehasmanyfriends,heisoftenfeelinglonely.
C
状语从句的从属连词的选取。
You’llbetheretomorrow--youwon’t________me________,willyou?
InEurope_______arethetwoleadingcontendersforaglobalreservationssystem.
Whycouldn’tyou________ananswerwhenIaskedyouwhyyouwerelate?
______thenewplancanbecarriedoutwillbediscussedatthemeetingtomorrow.