问题

Some students are so ______ that they often makemistakes in their homework.
A:carful
B:serious
C:careless
D:successful
B:serious
C:careless
D:successful
正确答案是:
同类题型
than _____on a crowed bus, I prefer____to work every day
Most boys _______ blue to pink while most girls _______ wear pink than blue.
Smith wrote an article on ____ he failed topass the exam.
In washing this cloth, be sure to _______ the temperature of water.
What ________ he say to you just now —He told me that he ________ his keyin the room.