学业分层测评
Ⅰ.单句语法填空
1．They had to return from the hiking in the desert because their food almost ran ________.
2．He commanded that the work ________(finish)before 5 pm.
3．You can take as many books as you like here for they are free ________ charge.
4．When we arrived，we found a note ________ (attach)to the door.
