用适当的连词填空。①I'd like to go with you, {#blank#}1{#/blank#} I'm too busy．
②It was only five minutes'walk from here, {#blank#}2{#/blank#} we didn't take a taxi．
③ Suddenly he tripped{#blank#}3{#/blank#}fell．{#blank#}4{#/blank#} he woke up．
④You can go on foot, {#blank#}5{#/blank#} you like．It's not far．
⑤I fell off my bike last Saturday,{#blank#}6{#/blank#} hurt my foot．
