Americans eat____ vegetables per person today as they did in 1990.
| A．more than twice | B．as twice as many |
| C．twice as many as | D．more than twice as many |
Don’t leave your keys in the car. Someone might steal ________ 。
| A．one | B．that |
| C．this | D．it |
Computers must be of great use to ________ doing the scientific research.
| A．these | B．whoever |
| C．those | D．whomever |
At the shop, they wanted to show me all the dresses, but I was interested only in ________ in the window.
| A．this | B．that |
| C．it | D．the one |
—What an amazing film! It’s the most interesting film I’ve ever seen.
—But I’m sure it won’t interest ________.
| A．somebody | B．anybody |
| C．everybody | D．nobody |
I wanted some tea, but there was ________ left in the teapot.
| A．none | B．any |
| C．nothing | D．some |