A、 feel
B、 feeling
C、to feel
D、 felt
答案:A
A、 feel
B、 feeling
C、to feel
D、 felt
答案:A
A. a, a
B. an, a
C. a, an
D. an, an
A. is
B. are
C. was
D. were
A. that
B. which
C. whose
D. whom
A. Come on! Don't be afraid.
B. Go ahead.
C. Mind your steps.
D. Look out!