This diploma ( 毕业文凭 ) ________ that you have completed high school.
A、entitlesB
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Onlywhenyouhaveobtainedsufficientdata________cometoasoundconclusion.
You________gonow.It’sgettinglate.
Tosucceedinascientificresearchproject________.
heteachertoldthemsincelight________(travel)fasterthansound,lightning________(appear)togobeforethunder.
Ihavebeenstudyinghereforfouryears,bynextsummerI________.
