After she had explained everything clearly, we started our work. A.Before we started our work, she had explained everything clearly. B.Before she started our w
After she had explained everything clearly, we started our work. A.Before we started our work, she had explained everything clearly. B.Before she started our work, we had explained everything clearly. C.Before we started our work, she explained everything clearly. D.Before we had started our work, she had explained everything clearly. 38.This is the first time I have had such a delicious meal. A.I had eaten such a delicious meal before. B.I hadn’t eaten such a delicious meal before. C.I have eaten such a delicious meal before. D.I haven't eaten such a delicious meal before. 39.You should water these flowers everyday to make them fresh. A.These flowers should be watered everyday to make them fresh. B.These flowers should watered everyday to make them fresh. C.These flowers should being watered everyday to make them fresh. D.These flowers should been watered everyday to make them fresh. 40.Although Singapore is a developed country, it is not polluted by industry. A.Despite being a developed country, Singapore is not polluted by industry. B.Despite a developed country, Singapore is not polluted by industry. C.Despite of being a developed country, Singapore is not polluted by industry. D.Despite of a developed country, Singapore is not polluted by industry.
Lời giải 1 :
=>
37. A (before QKĐ, QKHT)
38. D (S have/has not V3/ed such a/an adj N before ~ This is the first time S have/has V3/ed such a/an adj N)
39. A bị động should be V3/ed
40. A despite N/Ving: mặc dù
Thảo luận
Lời giải 2 :
37. A
Before we started our work, she had explained everything clearly.
, 2 hành động trong quá khứ, hành động nào xảy ra trước ta dùng quá khứ hoàn thành -> (she had explained everything clearly), hành động nào xảy ra sau ta dùng quá khứ đơn -> (Before we started our work )
38. D
, This is the first time +S +have/has +V3/-ed+ ......... <-> S+haven't/hasn't +V3/-ed+..........+ before.
39. A
, dạng bị động với động từ tình thái (modal verb: can, could, may, might, will, would, should..... )
can/could/ should.... +be + V3/-ed
40. A
Although Singapore is a developed country, it is not polluted by industry.
= Despite being a developed country, Singapore is not polluted by industry.
-> although+S+V
despite/in spite of + N / V-ing
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