______nature reserves _______us learn more about protecting animals.
#48781
A
Studying ; help
B
Studies ; helps
C
To study; helping
D
Studying; helps
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You must eat all kinds of fruits and vegetables a balanced diet.
#49061
A
have
B
to have
C
having
D
had
---Why are you so excited today?---We were told _________ a picnic this weekend.
#49288
A
have
B
to have
C
having
D
had