7. Put the verbs in brackets into the correct form. Write. 5Since ancient times people (1) (to dream) of flying in the sky. At first people (2) flew in a hot air balloon, and it (3). (to be) a great victory. In the 20th century aeroplanes (4). (to appear). The first aeroplanes were small and (5) (can/ not/ to fly) very far. Nowadays the engineers (6) (to make) very big planes. They (7). (can/ to fly) a long distance and (8) . (to carry) passengers from one city to another and from one country to another. And it (9) (not to take) them much time. Travelling
to England, for example, (10) (to last) for three and a half hours and you can reach the USA in ten hours.