You must eat all kinds of fruits and vegetables         a balanced diet.
#49061
A
have
B
to have
C
having
D
had
推荐题目
You'd better_______ there.
#49027
A
not drive
B
don't drive
C
not to drive
D
don't to drive
Tony is busy _______ his homework.
#50470
A
doing
B
do
C
to do
D
does
Thanks for       me with my English.
#50376
A
help
B
helps
C
helping
D
helped
________ hard is the key to success. 
#51086
A
To work
B
Work
C
Worked
D
Works