________the good old days，he couldn’t help smiling.
A. Looking back at B. Looking on
C. Looking forward to D . Looking into
What great fun the children had____ basketball! I didn’t have the heart to stop them.
A．to play B．playing C．play D．played
－________I forgot to watch the football game on TV yesterday evening.
－Not to worry. I have recorded it.
A．Excuse me! B．What a pity!
C．How come? D．Sorry for you!
There’s no doubt _____enough concern must be paid to the problem of the stayathome children.
A. which B. whether C. that D. what
Their relationship，______ on years of open communication with each other，will last.
A. base B. to base C. basing D. based
I’d like to start my own business — that’s _____ I’d do if I had the money.
A. why B. when C. which D. what
