Maria _____ missed the first train so as to travel on the same one as John.
| A．deliberately | B．intensively | C．decisively | D．objectively |
________it________to rain tomorrow , the sports meet would be put off until the same time next week.
| A．Should , / | B．If , should | C．Were , / | D．If , were going. |
Going on a trip________be expensive and difficult , so making a plan is necessary.
A. must B. ought to C. shall D can
________, follow the directiom on the bottle carefully.
| A．Takes medicine | B．To take medicine |
| C．When one takes medicine | D．When taking medicine |
.He is said________a book on the history of Chinese tone bridge , but I don’t know if he has finished it.
A. to have written B. to be writing C . having writing D writing
There are boys________from 7 to 14________age.
A. ranging , of B rang , in C. ranging , in D. range , of