Choose the best answer to complete the following sentences

Choose the best answer to complete the following sentences
1 On Tet holiday , people often............relatives , friends , and to the pagoda to pray for luck
A visit/went                            B visit/go                          C visited/went                             D have visited/ have gone
2 When i meet Jim in the summer camp , he................English for 5 years already
A was learning                       B learnt                            C has learnt                                D had been learning
3 If I..................the enough money , I will buy a new house 
A have                                    B would have                   C had had                                   D had
4 If I.................where she lives , I would go and visit her immediately
A know                                    B had known                    C knew                                       D knows
5 That bridge...................last September
A is built                                  B is build                           C was built                                 D was build
6 Food and medical supplies................to the remote areas every year
A is delivered                           B are delivered                 C have been delivered               D has been delivered
7 You can see..........on the Canadian national flag
A the maple leaf                      B the red leaf                     C the rose                                   D the oak tree