【单选题】
If he ___ he ___ that food.
①
was warned; would not take
②
had been warned; would not have taken
③
would be warned; had not taken
④
would have been warned; had not taken
【单选题】
What are language contents?
①
Structures, vocabulary, functions and topics
②
Pictures, vocabulary, communication and topics
③
PPT, structures, aims and summary
④
Structures, aims, functions and topics.