Scientists say they have found a way to produce the human body’s own cancer-killing cells through gene treatment, ____ new hope to cancer sufferers.
| A．offering | B．showing | C．taking | D．making |
He finished middle school.
| A．in twenty in 1950s | B．at twenty in the 1950s |
| C．in twenties in the 1950s | D．at twenties in the 1950s |
John is the tallest boy in the class,according to himself.
| A．five foot eight as tall as | B．as tall as five foot eight |
| C．as five foot eight tall as | D．as tall five foot eight as |
The enlarged school campus isthe old one.
| A．as three times big as | B．three times as big as |
| C．big three times than | D．as big as three times |
The teacher asked us to pay attention to thewords.
| A．first three | B．three first | C．first third | D．one third |
Paper produced every year isthe world’s production of vehicles.
| A．the three times | B．three times the weight of |
| C．as three times heavy as | D．three times as heavier as |