16. I prefer
A. doing
swimming to going fishing in summer.
B. to do
C. going
17. Many people are fond of
tea or coffee in the morning.
A. drinking
B. drink
C. drinks
D. to drink
not only connects family members but also helps people protect
18.
environment.
A. Gardens
B. Gardener
19. When gardening, children
A. learn
B. teach
20. I hope Mary will teach me
A. when
B. how
D. to go
C. Gardening
D. Garden
to be patient and take on responsibility.
C. study
D. must
to carve eggshells.
C. what
D. why