A.going B.having gone C.to go D.to have gone
A.for; helping B.of; helping C.for; to help D.of; to help
A.listening to B.listening C.to listen to D.to listen
A. to stay B. staying C. I stay D.stay
A. be staying B. stay C. to stay D. stayed
A. to drive B. drove C. driven D. drive
A. for him to settle B. that he settles C. of his settling D. of him to settle
A. to wash B. washing C. washed D. to be washed
A. to look after…to take care B. to look…to take care of C. to look after…to take care of D. look after…take care of
A. when B. then C. there D. which
微信支付 
支付宝支付