A.Which; which | B.What; what | C.It; which | D.As; what |
A.which | B.what | C.that | D.whom |
A.what | B.when | C.how | D.whether |
A.that how we can improve the English level within 4 months |
B.that how can we improve the English level within 4 months |
C.how can we improve the English level within 4 months |
D.how we can improve the English level within 4 months |
A.what | B.that | C.how | D.which |
A.what has she done | B.what was she doing |
C.how she had done | D.what she was doing |
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