Hurry up，or by the time we __________ at the cinema，the film will ha ve begun．

—You went to the US last month , didn’t you?—Yes. That was the first time that I________ there.

It is said that the software on learning subjects for pupils       in a very practical way.

China and the United States held their first strategic dialogue on August 1 and _______ to increase co-operation and constructive relations.

Jack doesn’t smoke now, but he _______ for almost twenty years.