The international agreement, intended ________children not to smoke and help people kick the habit, was signed on February 27.
| A．to encourage | B．encouraging | C．for encouraging | D．encourage |
Bill will be away on ----business next week and Lucy will take---place of his position during his absence.
A the; the B/ ; the C the ; / D / ; /
Several times he almost brought himself to the point of speaking to them but his courage ________ him.
We have strong ________ for believing that the newly-invented material is not only popular but also a monument to the eco-friendly lifestyle.
| A．grounds | B．reasons | C．causes | D．purposes |
A firm from New Zealand has revealed a set of robotic legs which they claim will soon allow ________ wheelchair-bound people to walk again.
| A．extremely | B．previously | C．actually | D．eventually |
Although the situation was tough during the economic crisis now things are beginning to ________.
| A．look up | B．keep up | C．set up | D．build up |