新概念英语上的4题1.（）this was done,they cooked a meal over an open fire.A.as soon B.just as C.until D.just after2.They sang songs by the campfire.They sang songs () the campfire.A.close B.near C.besides D.at3.The boys had put out the campfire.The fire wasn't ().A

2019-06-18

新概念英语上的4题
1.（）this was done,they cooked a meal over an open fire.
A.as soon B.just as C.until D.just after
2.They sang songs by the campfire.They sang songs () the campfire.
A.close B.near C.besides D.at
3.The boys had put out the campfire.The fire wasn't ().
A.switched on B.on fire C.on D.alight
4.The boys slept comfortably.Their sleeping bags were().
A.a comfort B.in comfort C.comfortable D.comfortably
（出自新概念英语2的第27课"A wet night"）
请简述理由