【单选题】
13. Unfortunately, when I dropped in, Doctor Li _____ for Beijing to join in the fight again SARS, so we only had time for a few words.
①
justleft
②
hasjustleft
③
isjustleaving
④
wasjustleaving
【单选题】
Our civilization cannot be thought of as ____ in a short period of time.
①
to have been created
②
to be created
③
having been created
④
being created
【单选题】
9. They have ______ each other for a long time.
①
corresponded on
②
corresponded with
③
communicated with
④
kept writing
【单选题】
You [填空] look for exercise opportunities all the time.
①
should
②
should to
③
goes
④
needs
【单选题】
Our civilization cannot be thought of as _____in a short period of time.
①
to have been created
②
to be created
③
having been created
④
being created
【单选题】
Which of the following is the time when students work in groups?
①
When all the students are under the control of the teacher
②
When students work in pairs on an exercise or a task
③
When students work in small group
④
When students are expected to work on their own at their own speed.