—Mary broke up with me! —You____ have forgotten about the Valentine's Day.
I regret to say your performance didn’t reach the relevant requirements, ______you cannot be accepted by the company.
In order to make students have a good knowledge of science subjects, they are encouraged to______ their own science experiments.
No one knew where my grandfather was, and many came to _____us in searching for him.
—Is the People’ Great Hall _______to ordinary visitors? —Of course.
What a sunny weather today! Let's hope it_______ for Saturday's tennis match.