Thistest________anumberofmultiplechoicequestions.
更新时间:2024-04-20 06:16:42 A、composesofhe teacher told them since light ________ (travel) faster than sound,lightning ________ (appear) to go before thunder.
Wewerebusy________(get)thingsreadyforthetrialproductionwhenhephonedus.
Night ________ (fall), we hurried home.
You________gonow.It’sgettinglate.
Tosucceedinascientificresearchproject________.