—Can I help you, Madam?
— No, thanks. I_______.
| A．have just looked around | B．just look around |
| C．just looked around | D．am just looking around |
If this bridge can't be repaired, ____ will mean no food will be transported to the flooded areas.
| A．what | B．it | C．as | D．which |
In fact, I think it's very much nicer without the naughty boy, if you don't mind me ___ so.
| A．say | B．to say | C．saying | D．to saying |
_____the activities might seem childish, actually they require a lot of strength and determination.
| A．Since | B．Although | C．Before | D．If |
You needn't have apologized for your absence_______, it' s hardly your fault.
| A．besides | B．therefore | C．however | D．meanwhile |
_____ in 2011, the Beijing-Shanghai high-speed railway has benefited Qufu a lot.
| A．To complete | B．Completing | C．Having completed | D．Completed |