With all my attention _______ my homework, I didn’t even notice my father standing by me.

With all my attention _______ my homework, I didn’t even notice my father standing by me.

#90970

to fix on

fixed on

fixing on

to be fixed on

推荐题目

The stranger stood by the window, with his eyes ______ on the hills in the distance.

#91254

fixing

to fix

to be fixed

fixed

So far all cloned animals have suffered from some different serious disorders, ______ dying soon after birth.

#91384

many of which

many of whom

many of them

many of that

Tom wrote several novels in his twenties, none of ______ published.

#91183

them

which

that

All the cloned animals have so far suffered from some serious disorders, many of        dying soon after birth．

#90946

that

whom

which

them ．

 He entered the room, ______ coat covered with snow.

#91620

whose

his

its

it’s