Recently he __________ every night until after one o＇ clock, preparing for the final exam.

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.

The sales manager had his secretary _______ a press conference for their new products.

No matter who he is, young or old, people＇s state of mind tends to keep _________ with the rapid change of society.

When dealing with a ________ task, Alice always asks for help from people around her.