Lisa () the meeting yesterday. She was in the hospital.
A. cannot have attended
B. cannot attend
C. must not have attended
D. must not attend
Robert is said () abroad, but I don't know what country he studied in.
A. to have studied
B. to study
C. to be studying
D. to have been studying
下列方剂中，适用于风阳内动型颤证的是（）
A. 滋生青阳汤
B. 龟鹿二仙汤
C. 补中益气汤
D. 导痰汤
E. 以上都不是
下列药物中，可与降气药配伍组成降气剂的是（）
A. 行气药
B. 化痰药
C. 清热药
D. 温阳药
E. 以上都是
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