16. “can’t you read ?” she said ____to the notice.
A angrily pointing B and point angrily C angrily pointed D and angrily pointing
选A
17.the missing boys were seen ____near the river.
A playing B to be playing C play D to play
选A 18.the first textbook ___for teaching English as a foreign language came out in the 16th century.
A having written B to be written C being written D written
选D
19.the Olympic games , ___ in 776BC, did not include women players until 1912.
A first playing B to be first playing C first played D to be first playing
选C
20.cleaning women in big cities usually get __ by the hour.
A pay B paying C paid D to pay
选C