She knows a lot about the film. She must have seen it before, ______ ?must she B. mustn’t she C. has she D. hasn’t she
What ______ me was that there was a ______ look on her face due to the ______ problem.
Our country ______ great changes in the last 30 years and it is no longer it used to be.
Every student as well as teachers who ______ to visit the museum ______ asked to be at the school gate on time.
______ about the missing boy’s safety, the police stepped up their search.
I don’t feel well; I think I’m ______ with the flu.