For current Year 10s entering Y11 in September 2017, your summer work tasks have been discussed, and are detailed in pages 9-10 of the guide below:
OPTIONAL: You will also have returned work from assignments 1 and 2, and can get ahead by re-drafting these during the summer.
As explained, email replies will be minimal until late July, but you will get a response. You should use your Office365 account to do so - and look out for new resources being added in August (which will be announced through Office365). You need to access your Office365 mail and click to join the class you've been invited to!