People have learned a lot fromstudies．
#35692
A
science
B
scientific
C
scientist
D
sightseeing
推荐题目
—What do you think of your last trip? —I had a very scary______in the mountains. I won’t go there again.
#43057
A
assistant
B
experience
C
station
D
souvenir
The Malaysia government has searched for MH370 for several months, but so far they’vemade no ________. .
#35457
A
contribution
B
progress
C
introduction
D
protection