非谓语动词如何使用?
我经常碰到这方面的选择题,怎么都选不对,没有掌握这方面的知识,希望会的朋友指点一下,最好是自己总结的经验.
1.When I caught him___I stopped buying things there and started dealing with another shop.
A.cheat B.cheating C.to cheat D.to be cheating
2.___it or not,his discovery has created a stir in scientific circless.
A.Believe B.To believe C.Beliebing D.Believed