—____ you got to know I traveled to USA?
—Through one of your colleagues.
| A．Where it was that |
| B．When was it that |
| C．How was it that |
| D．Why was it that |
Raw materials is what we are badly _______ to develop the new plan.
| A．in favor of | B．in hope of | C．in need of | D．in memory of |
---How can I help you the most? --- ________ out of the way.
| A．To stay | B．By staying | C．Stay | D．Having stayed |
You’d better give the task to _____ you think can finish it ahead of time.
| A．whomever | B．whoever | C．anyone | D．no matter who |
The heavy rain is so troublesome. _________ it would stop!
| A．Only if | B．Even if | C．Ever since | D．If only |
The child complained that the old man made no answer whenwhere he lived．
| A．asking | B．being asked | C．having asked | D．asked |