Peterislookingforwardto

问题详情：

 Peter is looking forward to ________ his grandparents this weekend.

A．visit　　B．visiting　　C．to visit　　D．visited

【回答】

B　点拨：look forward to 后接名词或动名词。故选B。　

知识点：动词和动词短语

题型：选择题