I have ____a raincoat _____ an umbrella. That’s why I have to wait until the rain stops.
We hope _______ members of the Red Cross.
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 ______.