I want to know ________ next week,Mum.—If I know about it, I will tell you at once.
There is a picture _____ my family on the wall. [ ]
Hello, this is Jack. May I speak to Tom?– Sorry, he isn’t in at the moment. If he _______ back, I’ll ask him to call you back.
Would you please ____ my son from the station for me?—I’ll be glad to.
More and more trees were cut down. _____, many animals are dying out. [ ]