Only when we had finished all the work ___________that it was too late to take a bus home.

There was a heavy fog this morning, so none of the planes could ________.

Price is not the only thing customers consider before ________ what to buy.

I don＇t doubt _______ the stock market will recover from the economic crisis.

With the development of artificial intelligence, robots will do some mental work in office ________ some manual work on the production line.

Computer software _______ some 70 percent of our range of products.

When the couple ______ here, they _______ to the park.

It has been quite a long time _______ the two companies established a business relationship.

It is my great honor _________ to give a speech at the opening ceremony.

There is something wrong with my car. It will take me one hour to have it ________ .

Please keep a detailed _________ of the work that you have done.