Selecting a mobile phone for personal use is no easy task because technology ____ so rapidly

. The temperature has _____ heavily, which doesn’t _____ the growth of the crops.

It________heavily for 2 weeks and the farmers were very worried

With the help of e-commerce, people throughout China ____ easily buy things from foreign countries online.

The number of people present at the concert was _______ than expected.There were many tickets left.