My friend Amy _______ text messages to me on the mobile phone, but now she _______ e-mails on QQ.
Of the two American students , Lily is _____________ one
Do you know how many people ______ the big fire last week ?
People make medicine _______tigers’ ____________
The ______ of living areas makes wild animals become fewer than before
----How did he finish the work ?----I hear that he did it __________