两道关于定语从句的选择题.The manager had to go to Beijing on business on
两道关于定语从句的选择题.
The manager had to go to Beijing on business on June 23,__ happened to be his only son's birthday.
A when B which C that D while
2.It was an exciting moment for these football fans this year,___ for the first time in years their team won the World Cup.
A that B which C while D when