Mr Morgan to see me He'll be here soon选词is coming Sandra spent two hours () the lettercomes writinghas come to writecame wrote哪个.为什么 write

Mr Morgan to see me He'll be here soon选词is coming Sandra spent two hours () the lettercomes writinghas come to writecame wrote哪个.为什么 write
Mr Morgan to see me He'll be here soon选词
is coming Sandra spent two hours () the letter
comes writing
has come to write
came wrote
哪个.为什么 write

Mr Morgan to see me He'll be here soon选词is coming Sandra spent two hours () the lettercomes writinghas come to writecame wrote哪个.为什么 write
Mr Morgan( is coming) to see me

位移动词现在进行时表将来

Sandra spent two hours (writing) the letter
sb spend 一段时间+( in) ( doing) sth
in可以省略