高中英语单项选择1.John was caught _____ the earthquake _____ caused
高中英语单项选择
1.John was caught _____ the earthquake _____ caused a lot of damage.
a,by; which b.in; which
2.-Will you go shopping now?
-Not until I ____ I experiment.
a.have finished b.will finish
第一题为什么选B,第二题为什么选A不选B?