—Now that you like the house with a garden,why not buy it?—Well,I can’t afford ________ house at present.
This is the very toy car ________ which he came here the other day.
I began to fish before memory began, _______ I know I have always fished.
______ I had done it I knew I had made a mistake.
Elbert Einstein, for ______ life had once been very hard, was successful later in science .
In my opinion, all Mr Tom ______ good to his students in his class at present. He is very strict in their study.