— Bruce ________ so much in the past two years.
— Yeah, he ________ be shy, but now he is confident and active.
has changed; used to
changed; is used to
changed; used to
has changed; is used to
There is _______ elephant in the zoo. _______ elephant is from Africa. A. a; the B. an; TheC. an; An
—Why do you like koalas?—_____ they are cute and smart. A. So B. But C. Because
Don’t listen music in the classroomhallways. A. to; and B. to; or C. at; or
We ________to wear the school uniform every day. A. not have B. have not C. don’t have
I have to _______ the room every morning. A. clean B. cleans C. cleaning