Studies show that people are more_______to suffer from back problems if they always sit before computer screens for long hours.
If you have some difficulties ____ your grammar, you had better ask your teacher ____.
--- How are you getting along with your studies? --- Not very well, ____.
______ more attention, the tree could have grown better.
She pretended ______ me when I passed by.
Things that we’re facing should be considered ____,so that we’ll deal with them well.