There are two _____ in our school.
A.library B.libraries. C.librarys
The White House is in .
A. France B. China C. Washington
Our teacher always tells uswaste water.
A. to not B. not to C. not
We should turn the lights when we leave the room
A. on B. off C. in
We shouldn’t cut downtrees and wastewater.
A. too many ; too many B. too many; too much C. too much; too much
Ito school when Isix.
A. come; was B. came ;was C. come; is