V.  Khoanh tròn đáp án đúng cho mỗi câu sau.
1. Andrew has just started evening classes. He__________ German.
A. are learning                           B. is learning                              C. am learning                         D. learning
2. The workers__________ a new house right now.
A. are building                            B. am building                            C. is building                           D. build
3. Tom______two poems at the moment?
A. are writing                              B. are writeing                            C. is writeing                           D. is writing
4. The chief engineer__________ all the workers of the plant now.
A. is instructing                           B. are instructing                        C. instructs                             D. instruct       
5. He_____his pictures at the moment.
A. isn’t paint                                B. isn’t painting                          C. aren’t painting                    D. don’t painting
6. We__________ the herbs in the garden at present.
A. don’t plant                              B. doesn’t plant                          C. isn’t planting                       D. aren’t planting
7. They__________ the artificial flowers of silk now? 
A. are... makeing                        B. are... making                         C. is... making                         D. is... making
8. Your father__________ your motorbike at the moment.           
A. is repairing                             B. are repairing                          C. don’t repair                         D. doesn’t repair
9. Look! The man__________ the children to the cinema.
A. is takeing                               B. are taking                               C. is taking                              D. are takeing
10. Listen! The teacher__________ a new lesson to us.
A. is explaining                          B. are explaining                         C. explain                               D. explains
11. They__________ tomorrow. 
A. are coming                            B. is coming                                C. coming                               D. comes