---We’re organizing a party next Saturday, and I’d like you to come.---_____! I have a meeting to attend that day. Thank you all the same.
Miss Lee ___the children an English song when I saw her.A. is teaching B. was teaching C. taught
—Must I hand in the weather report this morning?--No, you__.A. mustn't B. needn't C. may not
The teacher will be back an hour.A. in B. after C. on
Look! The bird __in the sky.A. is flying B. flies C. fly
My birds can ___by one of my friends while I'm away.A. be looking afterB. look afterC. be looked after.