If you have never planted anything, you won’t be able to know the pleasure of watching the thing you have planted ____.
| A．grow | B．to grow | C．growing | D．to be growing |
Women _______ drinking more than two cups of coffee a day have a greater chance of having heart disease than those ________ don’t.
| A．who; 不填 | B．不填; who | C．who; who | D．不填; 不填 |
I am writing to express my _______ for the safety of children travelling on school buses, especially those on high-risk and highway-speed routes.
| A．attention | B．emotion | C．affair | D．concern |
—____ you got to know my telephone number?
—Through a friend of yours.
| A．What was it that | B．How did | C．Where was it | D．How was it that |
It’s amazing that Mike should get such good marks while he does only ________ the others.
| A．as much as half | B．as many as half | C．half as much as | D．half as many as |
It was not until Mum agreed to buy him a computer, _______ was his favorite, _______ the boy promised to study hard.
| A．that; that | B．which; that | C．that; which | D．which; which |