The best gift she has ever received is a pet dog.(对a pet dog画线提问)
问题描述：
The best gift she has ever received is a pet dog.(对a pet dog画线提问)
答
What is the best gift which she has ever received?
答
What is the best gift she has ever received?
答
What is the best gift that she has ever received?
她收过最好的礼物是什么?
句中有best*修饰时,连接词要用that.