Paper bags produced every year are ____ the world’s production of vehicles.
| A．three times weight of | B．three times the weight of |
| C．as three times heavy as | D．three times as heavier as |
In china, the number of cities is increasing ________development is recognized across the world.
| A．where | B．which | C．whose | D．that |
______ is known to us all is that the old worker, ______ life was hard in the past, still works hard in his seventies.
| A．As; whom | B．What; whom |
| C．It; whose | D．What; whose |
In the Olympic Games, swimming is ______ second ______ importance only to track and field event.
| A．the; to | B．/; to | C．the; in | D．/; in |
Jack glared at Susan, tears _____ his eyes, and shouted out the words ____ in his heart for years.
| A．filling; hidden | B．filled; hidden |
| C．filling; having been hidden | D．filled; hiding |
Last week another teacher, Jenny, and I did visit a village _____ is the home of one of the boys, Tom.
| A．which | B．where | C．what | D．whose |