He was so pleased with all _____ we had done for him _____ he wrote us a letter to praise us for it.
A.that; that | B.what; that | C.that; what | D.what; what |
推荐套卷
He was so pleased with all _____ we had done for him _____ he wrote us a letter to praise us for it.
A.that; that | B.what; that | C.that; what | D.what; what |