He did not go home ______ he finished the work.
A. if
B. because
C. until
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(假设信息)如果病人同时表现嗳气频频,可选用
A. 旋覆代赭石汤
B. 越鞠丸
C. 竹叶石膏汤
D. 益胃汤
E. 沉香降气散
Do you know ______
A. where does he live
B. where he lives
C. he lives where
Which signal is a call for help
A. Shouting here and there.
B. Crying twice.
C. Shouting or whistling three times together.
It ______ me about forty minutes to do my homework every day.
A. spends
B. takes
C. uses