​Lucy was unable to( )her surprise when she saw her teacher in the supermarket.
​Lucy was unable to( )her surprise when she saw her teacher in the supermarket.
A、envelop
B、screen
C、conceal
D、shield
【正确答案】:C
【题目解析】:本题考查动词辨析。envelop:包住,裹住;screen:指把处于被发现的人或物掩盖起来,使其不被发现;conceal:多强调有目的、有意识,巧妙地进行隐藏或隐瞒;shield:保护某人或某物(免遭危险、伤害或不快)。根据语境判断,是要有意识地掩盖自己的惊讶,所以C选项最符合语境。句意:露西在超市看到老师时,无法掩饰自己的惊讶。
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