--Why will you hang that photograph on the wall?
--__________ visitors of the memorial days of the Long March, Sir.
| A．Reminding | B．To remind | C．Reminded | D．Reminds |
He observed a stranger _______ around the store at 12 p.m. last night.
| A．to hang | B．hang | C．hanging | D．to be hanging |
Once ______ , the plan can’t be changed.
| A．begin | B．beginning | C．began | D．begun |
They asked me so many ______ questions that I got ______.
| A．confusing; confusing | B．confused; confusing |
| C．confused; confused | D．confusing; confused |
Jumping out of ______ airplane at ten thousand feet is quit ____ exciting experience.
| A．\; the | B．\;an | C．an; an | D．the; the |
Occasions are quite rare ______ I have the time to spend a day with my kids.
| A．which | B．when | C．where | D．what |