问题

一Ready to give up guessing，Sandy?一No，no，hold on! I think I______ at the answer now．

A:arrive
B:am arriving
C:have arrived
D:will arrive

正确答案是：

同类题型

Can you tell me what you __________ when the teachercame into the classroom

It’s ten years since the scientist _ on his life’s work of discovering the valuable chemical.[ ]

You don’t believe that I can work out the problem, _________

Between the two windowswas taken 10 years ago.

Well, ______ do you spell your name, Tom—T-O-M, Tom.