问题
选择题
He has come to_____.
A．checked his blood pressure
B．having his blood pressure checked
C．have his blood pressure checked
D．have checked his blood pressure
答案
答案：C
题目分析：这个句型中 “to”之后应该用动词原形，故排除A和B。have sth. done 让某事由他人做，根据题意，故选C。
点评：对于固定结构，平时一定要多归纳、多总结、多记忆，最好是放在句子中进行记忆。