66. My hometown is a dry area, as it r__________ rains there.
67. It is i__________ to employ teenagers under 18, and employers will get punished for that.
68. The students were very excited to be invited to their teacher’s wedding c__________.
69.. You have to o__________ carefully before you make discoveries.
70. After doing some experiments, they drew a c__________ that teaching culture helps improve learners’ language level.
