During that unstable period, the government could not accomplish much.

[问答题]You ought not to smoke so much.

[单选题]The boys enjoyed ______football very much.A.playedB.playingC.playD.to play

[问答题]You ought not to smoke so much.

[问答题]You ought not to smoke so much.

[单选题]D．uring the period of recent terrorist activities, people _______ not to touch any unattended bag.A． had always been warned B. were always being warnedC． are always warning D. always warned

[单选题]Valve overlap is the period during which （）.A . the inlet valve is openB . the exhaust valve is openC . both valves are closedD . both valves are ope

[单选题]25． _______likes September very much．A．JoeB． Joe's fatherC．ID．Joe's mother

[单选题]10． —Thank you very much．—________A． Thanks a lotB． Oh ，yes ，thank you， tooC． That’s all right ．D． That’ s right

[单选题]During the fuel injection period, fuel pressure must exceed cylinder gas pressure to （）.A . ensure penetration and distribution of the fuel in the combustion chamberB . ensure the needle valve is flushed clean during each injectionC . prevent combust

[单选题]20． Betty likes __________ very much． She draws pictures every day．A． artB． musicC． sportD． science