Jack is a great talker. It’s high time that he something instead of just talking.[ ]

It seems quiteto expect astudent to master 3000 words within only 2 days.

he years, people have learned from ants that teamwork and perseverance are indeed two key ______ to success.

I’m going to Hangzhou for a holiday this weekend.—____ you are there, can you buy me some green tea

Hi, David. How’s it going——_______. I can’t find my new bike.