题目内容
It is he frequently returns home late makes his parents concerned about him.
| A.because; that | B.that; that |
| C.不填; that | D.what; that |
B
选B。考查强调句型。句意: 是他经常回家很晚使他父母为他担心。被强调部分that he frequently returns home late为主语从句。
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