tests a phone line for a dial tone的准确意思是什么?test A for

tests a phone line for a dial tone的准确意思是什么?test A for carry on a real phone line/conversation 如题选哪个? line phone多少钱 Prepaid Line and a Prepaid Card with the Phone.什么是Prepaid Line and a Prepaid Card with the Phone? line phone哪里有卖的 on the phone的同义词Mary was invited to Jim's party in his new house on the phone.其中on the phone 的同义词A.on the line B.by phone选哪个? I tried( ),but the line was engaged.A.phone B.phoned C.phoning D.to phone这是选C还是D哦?WHY the desk now held a secondhand computer,with the phone line for the modem stapled along the floor to the nearest phone jack.要怎样理解stapled?谓语?或者是过去分词分句？ drop me a line drop them a line draw a line A line in the stand in a line drop me a line in a straight line This is a line. someone a line啊~ a slick line