问题
                    
What theywhen you got there, Tom?–Sorry, I forget.
                            A:are; doing
B:were; doing
C:did; do
D:will; do
                        
                        B:were; doing
C:did; do
D:will; do
正确答案是:
                        
                        
                        
                    同类题型
                    A group ___ boys and girls are dancing in the park. [ ]
How_____interesting the book is! I do want to read it_____second time.
______ name is Kate._______ is a teacher.
English is very widely used ______ business ______ different countries. [ ]
After I graduate ______ high school, I plan to study in the United States.[ ]