题目内容
根据所给词的适当形式填空(
56. We all know there are lots of __________ (advantage) of living on Mars. So we won’t move out of Earth to Mars.
57. The young people ____________ (them) built the new house two years ago.
58. If you _____________(not be)careful enough in the exam, you will make many mistakes.
59. China is developing quickly. A number of __________ (visit) from all over the world come to our country.
60.The scientist devoted all his lifetime to __________ (invent) things.
61. —Would you like to have dinner with us? —Thanks, but I__________ (have) enough.
62. The youth worker’s job is _____________ (help) the teenagers solve their problems.
63. —Why didn’t you go to Millie’s birthday party yesterday?
— Because I _______________ (not invite) to it.
64. She is the ____________ (pretty) girl I have ever seen.
65. What will you buy for your grandmother’s ____________ (90) birthday?
56. disadvantages 57. themselves 58.aren’t 59.visitors 60. inventing
61.have had 62.to help 63.wasn’t invited 64. prettiest 65. ninetieth