He was unable to make such progress, ____.
| A．hard as he tried | B．as hard he tried |
| C．hard he has tried | D．tried hard as he |
We've just installed a fan to __________ cooking smells from the kitchen.
| A．reject | B．except | C．exclude | D．include |
He'd __________ a volleyball court on the beach with a stick.
| A．turned out | B．marked out | C．made out | D．broken out |
—Are all the titles of the articles __________ in the contents?
—Yes, all __________.
| A．listed; included | B．listing; includes |
| C．listed; including | D．being listed; being included |
Great attention must be paid __________ welfare, especially in the poor area.
| A．develop | B．to develop |
| C．to developing | D．developing |
—Why were you so late for work today?
— __________ to the office was very slow this morning because of the traffic.
| A．Driving | B．I drove |
| C．To drive | D．That I drove |