Помогите сделать домашку past simple or past continuous

Здесь past simple и past continuous даже рядом не стояли )))

Paul has never sent SMS to his friends. send.
I do not call his friends every day. call
They are not playing football now. play
Alex does not go to the zoo every day. go
We are not helping Andrew at the moment. help
You do not know this rule today. know
Liz is not buying food at present. buy
He is not learning German right now. learn
I do not meet Lesley every day. meet
Tina is not eating cookies at the moment. eat
Are you receiving your e-mail now? receive
Does Ben lose his pens every day? lose
Are they singing in the corridor now? sing
Is Dina wearing a nice dress today? wear
Are you singing a new song right now? sing
Does she drive her car to work today? drive
Are they eating a cake at the moment? eat
Has Kate got a lot of SMS today? get
Is he skiing in the park at present? ski
Do you feed your pet every day?
Is Nick drinking coffee right now? drink

Точно в этих временах - past simple or past continuous? По-моему, некоторые предложения должны быть в других временах.