—Mum, I’ve been studying English since 8 o’clock. ____ I go
—Mum, I’ve been studying English since 8 o’clock. ____ I go
—Mum,I've been studying English since 8 o'clock.( )I go out
— Mum, I’ve been studying English since 8 o’clock. ____
— Mum, I’ve been studying English since 8 o’clock. _______ I
—Mum, I’ve been studying English since 8 o’clock. ________ I
----Mum,I've been studying English since 8 o'clock.________
mom,i've been studying English since 8 o'clock.( ) i go out
I've been studying English since 12.
I have been studying English for ____ ____ ____(五年多)
I have been studying English since I was five (对since I was
i often go to school at ____ 8 o'clock
I have been studying English since I was five (对化线部分提问)