【单选题】I can't find my book. Perhaps I _______ it behind in the office yesterday.
【单选题】I didn’t bring my homework, I ______ it at home.
【单选题】---I’m sorry I ______ my homework at home. --- Don’t forget ________ it to school tomorrow.
【单选题】You may rest ______ that we will effect shipment without delay on receipt of your letter of credit.
【单选题】We ________ the project on time without your timely help .
A.
would not have finished
【单选题】有关甲硝唑含漱液的描述错误的是( )
C.
浓度达0.25mg/L时可抑制牙周常见厌氧菌
【单选题】—Why didn't you give me a ring?—Well, I meant ______ but late I forgot.
【单选题】— Why haven' t you bought any butter? — I ______to but I forgot about it.