—Can you keep an eye on my bag? I need to go to the rest room.一____ .It will be safe with me.
----Look! Where are you going? ---Sorry. I _______________.
________ was most important to her was her family.
All of us found ______ difficult to work out the maths problem.
By the time these books were published, he _____ addicted to them.
I’m fine — I just felt a bit sleepy and tired, that was ________ I went to bed so early."