Can you please check these sentences for me. It's really urgent.

1) Our science teachers are enthusiastic about your proposal of holding our first meeting in Italy.
2)However, prior to our meeting, the head of our science department would like to discuss the theme of our project - biodiversity in water and waterways- in further detail with you. 3) I gave her your email address so that she can get in touch with you personally over the next few days.
4)Please use Italian (or English) when emailing her so (that) she won't have problems in understanding.
5) I really hope our French partner has agreed to use English as lingua franca for our project otherwise we won’t be able to join in (the project??).
We are all looking forward to working with you.

1. ... proposal to hold ...

2. OK

3. The word "personally" is redundant; omit it.

4. OK

5. semicolon after "project" and comma after "otherwise"

Sure! Here are the sentences with the corrections:

1) Our science teachers are enthusiastic about your proposal to hold our first meeting in Italy.
2) However, prior to our meeting, the head of our science department would like to discuss the theme of our project - biodiversity in water and waterways - in further detail with you.
3) I have given her your email address so that she can get in touch with you personally over the next few days.
4) Please use Italian (or English) when emailing her so that she won't have any problems understanding.
5) I really hope our French partner has agreed to use English as the lingua franca for our project; otherwise, we won't be able to participate.

Please note that there are a few minor changes in the sentences to improve the clarity and flow. These corrections involve removing unnecessary words, adding punctuation, and rephrasing certain phrases.

To check sentences in the future, you can use online grammar checking tools like Grammarly or Microsoft Word's built-in grammar checker. These tools can help you identify errors and suggest corrections. Additionally, you can also ask a friend or colleague to review your sentences for you.