When asked how he liked his job, he said he was happy _____ he was．
| A．what | B．who | C．where | D．how |
What people like to eat is subjective, but ______ the northerners like dumplings while the southerners are fond of rice.
| A．by chance | B．in particular | C．at ease | D．in general |
Your are ______ to suffer from bad health if you keep smoking.
| A．likely | B．possible | C．probable | D．perhaps |
Nuclear science s
hould be developed to benefit people _______ harm them.
| A．more than | B．rather than | C．other than | D．less than |
This problem may _______ more serious ones if left unsolved.
| A．come across | B．refer to | C．carry on | D．lead to |
Crops such as peas or soybeans put important minerals back into the soil, ______ it ready for crops that need fertile soil.
| A．makes | B．to make | C．made | D．making |