一、 单项选择:从各小题所给旳 A、B、C、D 四个选项中,选出一种最佳答案
(共 20小题;每题 1 分,满分 20 分
)1.You can’t pass the exam _________ you study hard
A.if B.because C.unless D.so2.Look out
Don’t get too close to the house roof is under repair
A.whose B.which C.of which D.that3.If it were not for the fact that she _________ sing, l would invite her to the party
A.couldn’t B.shouldn’t C.can’t D.might not4.Always read the _________ on the bottle carefully and take the right amount of medicine
A.explanations B.instructionsC.descriptions D.introductions5.Green products are becoming more and more popular because they are environmentally
A.common B.various C.friendly D.changeable6.—What happened to you this morning
—The teacher asked me for my _____ when I was late again
A.meaning B.idea C.excuse D.answer7.—Would you help me put