Be careful,( )you'll fall into the river.
A. or
B. but
C. for
D. of
第1题:
A、considerable
B、considerate
C、concerned
D、careful
第2题:
第3题:
第4题:
第5题:
第6题:
从A、B、C、D四个选项中,选择一个最贴近的答案完成填空。 A __________ involves a complex pitch movement, starting on a pitch somewhere in the middle of the normal voice range, rises to the top and immediately drops to the bottom
A.fall
B.rise
C.fall-rise
D.rise-fall