- _______ is the girl? - She's my friend, Helen.
I won’t leave until my work _________ tomorrow morning.
It’s two and a half weeks since the exchange students __________ Taixing.
—What do you think of living _______ in the big flat? —I think I will feel __________.
I hope my father____ ask me about my marks tomorrow.
—These Maths problems are too hard to ______. Can you help me? —There are many ways, but the most important is to try your best.