填空题
A student is
allowed
to
enter into
this room
only if
a teacher
has given
permission.
A. allowed
B. enter into
C. only if
D. has given
【正确答案】
【答案解析】
B 应改为enter。[解析] 因为此处enter为及物动词。本句的意思是:“只有老师批准了,学生才允许进入这个房间。”
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