__ you are tired, you had better sit down.A.because ofB.AsC.ForD.when

— Could I help you with your heavy box？ You are so tired— _____________. I can manage it.A．No.thanks

—— Have you had a nice journey？—— ________________________A、You are welcome.B、SureC、Inde

If you are tired, ______ a rest.A、haveB、havingC、to haveD、had

You______wear your glasses,for the words are rather small.A．had betterB．had better toC．wou

When once you have had the disease, you are______ to it for the rest of your life.A．immune

—Why are you looking pleased ? —Oh I’ve just had a job _________.A.to offerB.offeringC.offeredD.to