Mrs. White _____ her wallet now, but she can’t ______ it.
— May I smoke here?—Sorry, Look at the sign . you mustn’t do it.
—You will fail in the exams ________ you work hard.—I know, Dad. I'll try my best.A. if B. unless C. as long as
We usually ________ different clothes in the shop to decide which one to buy.A. try on B. take off C. sell out
—__________ will you finish doing your homework?—In half an hour .A. How soon B. How long C. How often
—Can I have my mobile phone back? I’ll need it now.—Ok, here it is. It ______ just before you arrived.A. mended B. is mended C. was mended