考点跟踪突破29 非谓语动词
1．Mr.Yang always explains the difficult points many times __A__ his students understand.(2015，本溪)
A．to make B．make C．making D．makes
2．My friend invited me __B__ the art club，and I accepted it with pleasure.(2015，上海)
A．join B．to join C．joined D．joining
3．In this school，the students are asked __A__ mobile phones.(2015，内江)
A．not to use B．not using
C．not use D．to not use
