They took rock samples back to Earth for _____study.
#42229
A
farther
B
step by step
C
further
D
far away
推荐题目
The old man lives ____ in the big apartment but he doesn’t feel ___ at all
#39481
A
alone; alone
B
alone; lonely
C
lonely; lonely
D
lonely; alone
—You must drive _____next time, or there may be another accident. —Thanks. I will be much _____from now on.
#37648
A
carefully; more carefully
B
more careful; more careful
C
more carefully; more careful
D
more careful; carefully