The old lady was so pleased with all _______ we had done for her _______ she wrote us a thank-you letter.
A.what; that | B.that; that | C.which; that | D.that; what |
推荐套卷
The old lady was so pleased with all _______ we had done for her _______ she wrote us a thank-you letter.
A.what; that | B.that; that | C.which; that | D.that; what |