The clean can't see you at the moment. He is addressing the first-year students in the lecture hall.
A. complaining to
B. arguing with
C. speaking to
D. consulting with
The attitude of the writer toward top managers quitting is ______
A. negative
B. positive
C. objective
D. casual
Professor Johnson's retirement ______ from next Junuary.
A. carries into effect
B. takes effect
C. has effect
D. puts into effect
考虑哪种可能性大
A. 盆腔感染
B. 人流不全
C. 宫外孕
D. 宫颈粘连
E. 早孕