The problem is         difficult for me        work out.
#51005
A
very; to
B
enough; to
C
so; that
D
too; to
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 Michael learned       basketball     his father.
#49731
A
playing; from
B
to play; from
C
playing; with
D
to play; with
— How about climbing the hill?— I would rather     along the river than      the hill. I'm a bit tired。
#49533
A
walk;climb
B
walking; climbing
C
walking; to climb
D
walk; to climb
You'd better_______ there.
#49027
A
not drive
B
don't drive
C
not to drive
D
don't to drive
—Don’t forget      your homework here tomorrow. —I     .
#48525
A
to bring ; won’t
B
to take; won’t
C
bringing; don’t
D
taking; don’t