-- Is this a pen? -- Yes , ________ is.A. this B. that C. it
______ excited the little boy was when he heard the good news!
-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