Are you describing the results of an experiment or are these just random sentences?
If sentence 1 concerns a completed experiment, it should be written in the past tense. Several choices of vocabulary in sentence 1 are incorrect.
2. acceptable sentence
3. We will wait for her reaction.
4. not a complete sentence.
5. acceptable sentence.
7. with strictly close of thump has no meaning in this phrase. Do you mean "she crossed her arms with..." ?
Try again and I'll look at your answers.
Student or Learner