1.She tried to practise speaking English_____speaking to native speakers.
A with B to C for D by
2.The little boy_____the hot water.He began to cry.
A touch B happened touching C happened to touch D happen to touch
3.I was about to leave my office_____my phone rang.
A while B as C when D and
4.My father had me_____the house yesterday.
A cleaning B clean C cleaned D have cleaned
D 2.C 3.C 4.B 请问为什么