81. at, in (表地点)
on the way 在前往…的路上in the way 挡路
The chair is in the way.
89. above, on, over
above 在上面，不接触on 在上面，接触over 在正上方 fly over the hill
90. until, not…until
until 到…为止
not…until 直到…才（常跟点动词连用）
I waited until 3:00.
He didn't come until 3:00.
at 小地点，in 大地点
arrive at a small village
arrive in Shanghai
82. increase to, increase by
increase to 增长到…increase by 增长了…
The number increased by 2,000 to 5,000.
83. since, for (完成时间状语)
since 接点时间或一句话for 接一段时间 for three years since 3:00
84. on earth, on the earth, in the earth
on earth 在世上，在人间，到底，究竟，一点也不on the earth 在地上，在地球上 in the earth 在地下，在泥土里
no use on earth
85. in surprise, to one's surprise
in surprise 惊奇地
to one's surprise 使某人吃惊的是
86. in the air, on the air, in the sky
in the air 正在酝酿中on the air 播送，广播in the sky 在天空中
His show is on the air at 6:00 tonight.
87. through, across
through 穿越空间across 在…上穿过 through the forest across the desert
88. on the way, in the wayarrive at a small village
arrive in Shanghai
82. increase to, increase by
increase to 增长到…increase by 增长了…
The number increased by 2,000 to 5,000.
83. since, for (完成时间状语)
since 接点时间或一句话for 接一段时间 for three years since 3:00
84. on earth, on the earth, in the earth
on earth 在世上，在人间，到底，究竟，一点也不on the earth 在地上，在地球上 in the earth 在地下，在泥土里
no use on earth
85. in surprise, to one's surprise
in surprise 惊奇地
to one's surprise 使某人吃惊的是
86. in the air, on the air, in the sky
in the air 正在酝酿中on the air 播送，广播in the sky 在天空中
His show is on the air at 6:00 tonight.
87. through, across
through 穿越空间across 在…上穿过 through the forest across the desert
on the way 在前往…的路上in the way 挡路
The chair is in the way.
89. above, on, over
above 在上面，不接触on 在上面，接触over 在正上方 fly over the hill
90. until, not…until
until 到…为止
not…until 直到…才（常跟点动词连用）
I waited until 3:00.
He didn't come until 3:00.
