问题

It is obvious to the students ______ they should get well prepared for their future
A:as
B:which
C:whether
D:that
B:which
C:whether
D:that
正确答案是:
同类题型
Tom’s father didn’t____ him to join the school football team.[ ]
He went to the library_____ last night, but you broke your word[ ]
__________ hungry I am, I never seem to be able to finish off this loaf of bread.
Bad luck! We Mount Emei when it rained heavily.
madeDaisy wild with joy—Her success in the A-level exam this year