The science of medicine, _______ progress has been very rapid lately, is perhaps the most important of all the sciences.
| A.to which | B.in which | C.Which | D.with which |
Every few years, the coal workers their lungs X-rayed to ensure their health.
| A.are having | B.have | C.have had | D.had had |
If our parents do everything for us children, we won't learn to depend on
.
| A.themselves | B.them | C.us | D.ourselves |
It took us quite a long time to get to the amusement park. It was journey.
| A.three hour | B.a three-hours | C.a three-hour | D.three hours |
Sean has formed the habit of joggingthe tree-lined avenue for two hours every day.
| A.between | B.along | C.below | D.with |
Although the entrance to the cave was very narrow, those visitors managed to________through it.
| A.press | B.squeeze | C.break | D.cut |