Theoutlineofrooftopsandchimneys________againstthepalesky.
A、pulledout
B、lookedout
C、heldout
D、stoodout
CharlesSmith,______wasmyformerteacher,retiredlastyear.
A、which
B、who
C、that
D、as
Sicknessoften_______eatingtoomuch.
A、asaresultof
B、resultof
C、resultin
D、resultfrom
Yourbikeneeds_____.You‘dbetterdoirightnow.
A、clean
B、tobeclean
C、beingcleaned
D、toclean
Wateriscomposed_______hydrogenandoxygen.
A、of
B、with
C、for
D、about