--How does Jack usually go to school? --He_____________ride a bike, but now he_______________there to lose weight.
This maths problem seems _____ for us to solve.
—Would you like to walk along Yueya Lake with me tomorrow afternoon? —Certainly, ______ I am too busy.
-Have you heard of Liu Qian from Taiwan? -Sure! His magic performance is _______amazing for people ______forget.
Mrs. Green has a cute baby. It often smiles at you ______.
—When will you graduate from your school? —______.