一、单句语法填空
1. (know) basic first-aid techniques will help you respond quickly to emergencies.
2. (ignore) the differences between the two research findings will be one of the worst mistakes you make.
3. (fish) is his favourite hobby,and (collect) coins also gives him great pleasure.
4. (climb) mountains on such a clear day is a good way to relax.
5. (communicate) with others on the Internet has many advantages.
6.In my opinion,it is a waste of time (persuade) such a person to join us in the activity.
7.During the summer holidays,it is fun (play) with children.
8.His (win) first prize in the contest made his parents very happy.
9.It is agreed that (read) is one of the most effective ways to enlarge our vocabulary.
10.You can never imagine what great difficulty I have (find) your house.
