Why didn’t you try your best to get on the bus?—I tried to , but _______ I could, it started moving

I stayed in Japan only a few matches,, I went through a series of hardship.

Tens of thousands of trees _____ in thearea in the past few years.

Have you ever visited the Opera House?—Yes．When I was in Sydney, I ______ it twice

doesyour school have the parents’ meeting?— Twice a year.A．How often