Environmental pollution is _____ the forest’s dying
| A．leading in | B．resulting in | C．putting in | D．contributing in |
--- It’s thirty years since we last met.
--- But I still remember the story, believe it or not, _________we got lost on a rainy night.
| A．which | B．that | C．what | D．When |
makes this shop different is that it offers more personal services.
| A．What | B．Who | C．Whatever | D．Whoever |
We haven't settled the question of ______________ it is necessary for him to study abroad.
| A．if | B．where | C．whether | D．that |
With his work completed, the businessman stepped back to his seat, feeling pleased_____ he was a man of action.
| A．which | B．that | C．what | D．whether |
--- Could you do me a favour?
--- It depends on ______ it is.
| A．which | B．whichever | C．what | D．whatever |