It’s really unwise of some teenagers from low-income families to spend a large sum of money on Apple products ______ they could buy other cheaper brands.
In the past , poor people _____ a very hard life .
_______watching TV , I listen to the radio everyday .
—Would you mind answering some questions on shopping habits? —_______.
I hope my teacher will take my recent illness into _______ when judging my examination.
Entering the room, I found Mary _______ at the desk and _______ a letter.