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1£®Ma Long plays ________  ping­pong very well. He won two gold medals in the 2016 Rio Olympics.

A£®a           B£®an        C£®the      D£®/

2£®It is important ________ us to master a skill.

A£®for          B£®of        C£®on      D£®with

3£®Our teachers often tell us how to teach ________£®

A£®themselves¡¡ B£®ourselves¡¡ C£®yourselves

4£®Look out! Look at the traffic lights ________crossing the road.

A£®before       B£®after       C£®since

5£®Lisa was so careless that she made many spelling ________  in her homework.

A£®plans        B£®decisions   C£®grades    D£®mistakes