小题1:Our beautiful classroom ________(clean) every day.

小题2:In order to improve Mary’s self-confidence,her teacher asked her to look at ________(she)in a mirror every morning and say “I’m the best. ”

小题3:She was very ________(happy) to fail the final exam.

小题4:Here are _________(tomato) noodles.They smell good!

小题5:Trust him!He has no difficulty _______(work) out the problem.

小题6:Ceaners clean the street every day.Their work is _________(true) common.

小题7:More and more people all over thd country are worried about food _______(safe).

小题8:Windy does ________(badly) is P.E. than me.

土地价格是( )在经济上的一种实现形式。

A．土地价值
B．土地所有权
C．土地使用权
D．土地抵押权