A.can walk | B.can go | C.must stop |
A.go | B.went | C.to go |
A.Don’t turn right here. | B.Don’t go straight on. | C.Don’t turn left here. | D.Don’t come back. |
A.Don’t eat in the library. | B.Don’t talk in the library. |
C.Don’t laugh in the library. | D.Don’t drink in the library. |
A.in | B.on | C.at | D.for |
A.Open | B.Close | C.Point to |