Working hard in study is important, but_______ as important is the desire to learn.

 Thanks to the joint efforts made by the leaders of China and the US over recent years, mutually _______ Sino-US relations have made remarkable progress.

Please __________ me for my rudeness. I really do not know the custom here.

It is reported that the floods have left about ____ people homeless.

We can also______ for you to share an apartment with other international students.