Love your parents __________ they are alive. Don't wait until it is too late.
A.while B.though C.because D.unless
Neither my sister nor I _____been to Xi'an before．
A.have never B.have ever C.has never D.has ever
—Dad, the phone is ringing.
—I guess either you or your mom _________ on the phone.
A.was wanted B.is wanted C.wanted D.wants
If you want to visit the Palace Museum, I tickets for you tomorrow.
A.will book B.booked C.have booked D.was booking
Another new book written by my favorite writer will______next month.
A. come out B. come up C. come on D. come over
Kitty didn’t make as many mistakes as Simon. She had the exam________.
A.more careless B.more carelessly C.more careful D.more carefully
