His father____________ (teach) at this school since ten year

His father____________ (teach) at this school since ten year Heidi_____(teach)at this primary school since she__-school f Mr wang ____(teach)at this school since 1998.Before that ,he 1.He.___(teach)in this school since he___twenty ( )he at this school last year? Betty____in this school since she came to Shanghai last year ---How long ____you ____(teach) English at this school?---Fo 急、 英语 My parents ____ （teach）English in this school since th My aunt________(teach)in this school since 1980.怎么填?为什么? I ___(teach)Chinese in this school since I ____(come)to Nanj 有这样一句话：He ______(teach) in this school since he came here la She saya that she __(teach）English in this school for ten ye