—John isn’t happy today. Let’s go and ____.
A. cheer up him B. cheer him up
C. to cheer up D. cheer up
Many young people volunteer in the northwest of our country .
A. work B. working C. to work D. worked
—John isn’t happy today. Let’s go and ____.
A. cheer up him B. cheer him up
C. to cheer up D. cheer up
Many young people volunteer in the northwest of our country .
A. work B. working C. to work D. worked