After the new type of rice was introduced, the farmers produced _______ rice this year as last year.
| A．as twice much as | B．twice as much as |
| C．twice much as | D．twice as much |
Children are excited about the approach of Christmas, _____ may bring great happiness to them.
| A．it | B．which | C．what | D．that |
_____ a piece of cheese cake my mum prepared---You won’t be disappointed!
| A．Trying | B．Tried | C．To try | D．Try |
Oh, boy, why are you just playing games all day? Can't you find something ______ doing at all?
| A．practical | B．valuab1e | C．worth | D．positive |
If you love someone, why ______ you chain him to your side, control his emotion, and even make him center on you?
| A．must | B．dare | C．need | D．will |
Some people have no idea that by helping a criminal they could ________with a prison sentence.
| A．come up | B．end up | C．put up | D．catch up |