________ operation was very successful indeed，which was ________ comfort to the concerned mother.
| A．The；/ | B．An；the |
| C．An；a | D．The；a |
It is the second time that he _____ the film.
| A．has seen | B．had seen | C．sees | D．saw |
Most of the movies directed by Zhang Yimou ________historical facts.
| A．is based on | B．based on | C．are based on | D．basing on |
Although he is far abroad from his hometown, he is much _____ his family.
| A．concerning about | B．concerned about |
| C．concerning with | D．concerned with |
English has been very popular because it is the _______ language in many western countries.
| A．official | B．fluent | C．gradual | D．frequent |
He said that his friend ______ there three days before, but she was not there_______.
| A．had been; now | B．has been; then | C．had been; then | D．was; now |