____ the English examination I would have gone to the concert last Sunday.
----Have they finished the project?---- Yes. By the end of last month, they ______ it. Now they ______ on a new one.
She really impressed me a lot for I had never heard ______voice.
Every year _______ students attend the college entrance examination, and ______ them can be admitted into their ideal universities.
It’s really a pity that the heavy rain ______ to go for a picnic.
_______ we were studying abroad, we learned much about foreign culture and customs.