The scientists are able to ____________ accurately when the spaceship will reach the moon.
#74717
A
accumulate
B
calculate
C
appoint
D
estimate
推荐题目
Please make sure all the lights are ______ before you go to bed. 
#72596
A
turned on
B
turned down
C
switched off
D
switched on
It is very common that former people have difficulty in  _____ modern life. 
#70682
A
sticking to
B
relating to
C
adjusting to
D
connecting to
Though it was noisy here, he _______reading. 
#67861
A
got on
B
carried out
C
went on with
D
carried on
My friend Li Ping felt       when he was not admitted into the university.
#72549
A
cooled down
B
cast down
C
taken down
D
out down