专四专八考试

【单选题】Six months ago the World Health Organization recommended that cigarette smoking and the use of plywood and particle board ______ in enclosed areas.
A、be restricted
B、should restrict
C、will be restricted
D、must be restricted

网考网参考答案：A
网考网解析：
recommend后接的宾语从句要使用虚拟语气“should do...”，should还可以省略掉。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>