I was really anxious about you. You ______ home without a word.
A、mustn’tleaveB
虚拟语气用法。句意：我(那时)真的很担心你。你本不应该不留个话就离开家。
We cannot entertain your suggestion ________ it does not seem workable.()
China is a mountainous country.Hills,mountains,and plateaus cover _______ of the total area.
____ your in formati on, we have received a crowd of enq uiries from buyers in other directi on s.( )
We have ______ at 30 days ’ sight for the amount of the invoice.
We have received your letter of September 12, ______ we are glad to know that you are interested in our electric heaters.
