The researchon the new flu virus vaccine is challenging and demanding Who do you think cando the job —______ mystudents have a try

I did badly in my English exam.How unlucky I am!— .Cheer up! Everything will be OK.

We all feel it is you as well as your wifethat ________ for your son’s bad performance at school.

Hi, Jane! Can you go hiking with me on Sunday— . I have too much homework.

The ________ look on her face suggested that she _________ it.