英語翻譯
15.It was not until 1920 regular radio broadcasts began.
A.while B.which C.that D.since
16.The mother the disappointed child and then promised to take him to the cinema as soon as it stopped raining.
A.smoothed B.tracked C.comfort D.settled
17.In the middle of the grass stands a little board that “No Parking”.
A.Is read B.advised C.reads D.hopes
18.Here’s my card.Let’s keep in .
A.touch B.relation C.connection D.friendship
19.After she her shopping list,she found she had forgotten to buy some sugar.
A.checked B.examined C.tested D.saw
20.Up to now,scientists have not found out how to patient of that disease.
A.cure B.treat C.deal with D.get rid of