完成句子①上学期我物理和数学学得都很吃力。
I {#blank#}1{#/blank#} a really {#blank#}2{#/blank#} {#blank#}3{#/blank#} {#blank#}4{#/blank#} my physics and math last term.
②他认为你不该在教室里吸烟。
He doesn't think you {#blank#}5{#/blank#} {#blank#}6{#/blank#} {#blank#}7{#/blank#} smoke in the classroom.
③旅行能开拓我对外面世界的视野。
Traveling can {#blank#}8{#/blank#} {#blank#}9{#/blank#} my eyes {#blank#}10{#/blank#} the outside world.
④我的历史老师说如果我能更加努力的话，我在历史学科上会做得更好。
My history teacher said I could {#blank#}11{#/blank#} {#blank#}12{#/blank#} in history if I worked hard.
⑤他到达机场时，飞机起飞了。
The plane {#blank#}13{#/blank#} {#blank#}14{#/blank#} when he {#blank#}15{#/blank#} at the airport.
