Who are you waiting ________ the school gate, Millie?
-Miss Li always makes her classes lively and interesting.-Sure, I still remember every word ______ she said at school.
-Betty, hurry up! Your mother _______ for you at the school gate. -OK!
Though he worked ____, he still _____ make any progress.
It will be easier for people to realize their dreams if they____ highly
Everyone arrived on time ____ the traffic was so terrible.A, if B. unless C. though D. because