He often ____________ home with his brother.[ ]
A. walk to
B. walk
C. walks
答案:C
18F-FDGPET/CT乳腺肿瘤显像不适用的是()。
A.乳腺癌的人群普查
B.乳腺肿块的良恶性鉴别
C.腋窝淋巴结转移的探测
D.乳腺癌术后残留或复发评估
E.乳腺癌疗效预测
It was almost eight years Iater _____ the young man got his doctor's degree and became an engineer.
A.since
B.when
C.before
D.that