Could you tell me when Mr. Li ______ in Beijing?–Sure. When he _____, I ’ll call you.
Many girls are afraid ______ dogs. [ ]
A ruler is 2 dollars and a pen is 3 dollars. How much are they? —They are ________.
________ Mr White good at singing? —– Yes, he teaches ______ music this year.
It is ____ that I’d like to go for a picnic.