Unit4單元知識點復(fù)習(xí)
they talked _________.so it was very _________ in the classroom.
make a/a lot of noise 噪音 speak in a low voice 嗓音
hear the sound(聲音) of the boys playing
9. make sure+ that clause
__________(確保）that your classroom is tidy and clean every day.
be sure of sb./sth. are you sure of the news/ the host?
be sure to do sth. be sure_______________( not forget) it.
be sure +that clause she is sure that she can be a good organizer.
=she is sure ____ _____ a good organizer
10. it was my job to introduce each star to the audience.
=my job was ___ _______each star to the audience.
it’s our duty to help others. = our duty is ___ ______ others.