We were just about ready to leave _____ it started to snow.
– Your job ________ open for your return. – Thanks.
It is ________ that almost all the students like it.
Sentences can be ________ into clauses, and clauses into phrases.
I gave him a present but he gave me nothing ________
October 1st, 1949 is the day ________ the People’s Republic of China was founded.