It was only when I reread his poems recently__________ I began to appreciate their beauty.
| A．until | B．in which | C．that | D．so |
_______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 |
Doris' success lies in the fact _________ she is co-operative and eager to learn from others.
| A．which | B．that | C．when | D．Why |