问题
The runners________ several times ________their positions on the starting line, otherwise they will be kicked out
A:are warned, making up
B:warn, to make up
C:have been warned, to take up
D:warn, to have taken up
B:warn, to make up
C:have been warned, to take up
D:warn, to have taken up
正确答案是：
同类题型
You’re drinking too much.—– Only at homeNo one ______ me but you
Football is so exciting that people in the world play it.
Daming, where are you going– Don’t worry, mum. I _______________ in ten minutes.
The book, ____ are true stories about great scientists of the 20th century, is well worth reading.