Insub-SaharanAfricatoday,forinstance,grossinvestment____forroughlyofnationalincome.
A.estimates B.accounts C.constitutes D.makes正确答案B
Insub-SaharanAfricatoday,forinstance,grossinvestment____forroughlyofnationalincome.
A.estimates B.accounts C.constitutes D.makes正确答案B