托业考试

【单选题】 One suggestion was to______ gasoline taxes.
A．(A) raise
B．(B) have raised
C．(C) be raising
D．(D) raising

网考网参考答案：A
网考网解析：
Raise is the correct infinitive. Choice (B) suggests some action that began in the past. Choices (C) and (D) suggest some progression. 查看试题解析出处>>