The market economy is quickly changing people＇s idea on____is accepted.

The Sales Department was required to _________ a plan in three weeks.

I have bought a story book ________ there are many pictures.

We＇re going to ________ the task that we haven＇t finished.

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.