Task 2 Fill in the blanks in the following passage by selecting suitable words from the word bank. You may not use any of the words more than once. Singapore is a republic. It (1) ________ a strong economy, attracting many (2) ________ from all over the world, which aggravates the conflict between its limited land area and its relatively large population. Every day, Singaporeans (3) _________ a lot of vegetables, but the (4) ________ supply is far from enough to feed its (5) ___________, so Singapore imports most of its fresh vegetables from other countries. From the food security point of view, this is not an optimal arrangement. Therefore, since the (6) __________ expansion of the 1990s, Singapore has attempted to deal with the shortage of available farmland by promoting (7) _________ vegetable gardens. However, once there has always been a concern over whether or not the rooftops could take the weight of the gardens. The (8) _________ farm eventually provides a successful alternative and thus serves to eliminate the concern.