They wonder _______.
if robots will think like a human in 25 to 50 years
if will robots think like a human in 25 to 50 years
when robots will think like a human in 25 to 50 years
My grandmother _________ a good memory, but now she always forgets things.
Tom, _________ afraid of speaking in front of people. You are the best one.
— Is it helpful to study English by reading aloud? — Yes, I think so. _________, I’ve learnt a lot.
I won’t go there _________, though I used to go there every year.
We haven’t seen each other for years. We can’t find anything __________.