Why not stop _______ a rest—Oh, it’s so exciting that I can’t stop _______ the kite.

re and more Chinese senior students areapplying for admission to American universities through SAT —________ But taking an SAT may cost one more than 10,000 yuan

Mrs. Kong planned ____her vacation in the beautiful country, so he decided on China.

Be careful, ________ you will make few mistakes.

The third generation network, _____ 3G, provides users with more advanced services [ ]