1. Unless will not catch
2. was sending an-mail / e-mails while he was watching TV
3. no choice to put all his effort into
4. am not sure / certain get on / along well with
5. arrived at / reached / got to had been on
(答案不唯一)
1. Unless will not catch
2. was sending an-mail / e-mails while he was watching TV
3. no choice to put all his effort into
4. am not sure / certain get on / along well with
5. arrived at / reached / got to had been on
(答案不唯一)