We get _______ sometimes when we study in a group. But we can learn from each other in this way.
— Our classroom is clean every day. —___________.It’s our duty to keep it clean and tidy. A. So we are B. So is it C. So it is
I have _____this book for two weeks. I have to return it now. A. borrowed B. kept C. had
Now most families in China have only one child _____ the one-child policy. A. because of B. instead of C. in order to
Mrs. Smith _____ in Beijing since 2008. A. livedB. has livedC. lives
— Where are Maria and Kangkang? —They _____ England. A. have been to B. have been in C. have gone to