Of the three questions the first one is the ___ difficult .

unemployment and crime are high, it can beassumed that the latter is due to the former.

don’t ________ ghosts but I do ________ my eyes — I saw it with my own eyes.

you ready for the history test tomorrow— No, I wish I ______ the clock back.

Notuntil they left school ______ how much their teachers loved them and helpedthem