It shocked me to see ______ my neighbors treated their children.
| A．why | B．whether |
| C．how | D．since |
What led you _______ that Bob might be the thief ?.
| A．to think | B．think | C．thinking | D．to thinking |
I think, the Chinese teacher will surely give _____ on your composition.
| A．sense | B．comment | C．comments | D．idea |
Rather than ________ the crowded bus, I prefer _________ to school.
| A．to take; to walk | B．take; to walk | C．to take; walking | D．take; walk |
After the new technique was introduced, the factory produced _______ cars in 2009 as 10 year before.
| A．as twice as many | B．as many twice | C．twice more as | D．twice as many |
— What do you think made Mary so upset？— __________ her new bicycle．
| A．As she lost | B．She lost | C．Losing | D．Because of losing |