It was not until she collected enough material to create her new novel．
| A．did she beg4n | B．when she began |
| C．that she began | D．that did she begin |
He's unlucky , and he's always suffering _____ luck one after another .
| A．a sick | B．an ill | C．sick | D．ill |
Our decision _____ was wise .
| A．of waiting | B．to wait | C．for waiting | D．to be waiting |
I'll have you ______ English in six months .
| A．speaking | B．speak | C．spoken | D．be able to speak |
I couldn't have got to the meeting on time - _______ an earlier train .
| A．if I had not caught | B．unless I had caught | C．if I did not catch | D．unless I caught |
I'd better not catch ______ that again !
| A．your doing | B．you doing | C．you to do | D．you being doing |