________, I'm glad you made that mistake, for it will serve as a warning to you.
| A．In case | B．In a way | C．In return | D．In relief |
___ he will come or not is_____ worries us.
| A．Whether, why | B．Whether, what | C．If, that | D．If, which |
____ is known to us all that the old scientist , for ____ life was hard in the past, still works hard in his eighties.
| A．It, whom | B．As, whom | C．As, whose | D．What, whom |
.---I’ll ask the teacher about the attributive clause. I’m very puzzled about it
---That’s just ____ most of our classmates have doubt.
| A．What | B．Why | C．where | D．how |
____ is obviously right is to give all children equal opportunities to develop their special gift.
| A．Which | B．What | C．That | D．It |
--- I’d like to go to the movie with you, Dad.
--- Sorry, my son. But only the grown-ups are _____ into the cinema.
| A．designed | B．intended | C．admitted | D．contained |