The earth will become worse and worse ________ we do something to stop her from being polluted.
A. if B. even if C. when D. unless
I _______ riding my bike________ taking buses to school.
A. prefer; to B. prefer; rather than
C. would like; to D. would rather; than
— Can you come and play football with me?
—______. I have a lot of homework to do.
A. Excuse me B. I’d like to
C. I’m afraid not D. It’s a pleasure
Soft colors like pink and light blue make people _______, so they spend more time _______their meals.
A. relax; eat B. relaxed; ate
C. relaxed; eating D. relaxing; eating
I was late today because alarm clock didn’t _______ .
A. run off B. go off
C. give out D. give up
By the time I got to school, I realized that I ________ my pen at home.
A. have forgotten B. have left
C. had forgotten D. had left
