问题

Do you know when the television was invented? —Yes, it was invented______ 1927. [ ]

A: in
B: at
C: on
D:of

正确答案是：

标签： do , invented , was

同类题型

Here _____. This is our classroom.

___________turkey did you eat?[ ]

Please don’t touch that fish.It smells _______.—OK，I won’t.

How does your sister study English? –She studies by_________ tapes

Hannah loves his new dog, doesn’t he ?— Yes, he ____ it out for a walk every day.