Elephants have good memories.They can walk for a long time and never .( )
get worried
get mad
get lost
All customers ________ to take their temperatures when they enter the supermarket.
A.is askedB.was askedC.are askedD.were asked
Not only Peter but also his father ________ crazy about the basketball match.
A.amB.isC.areD.be
—Bob,please ________ your spelling.You've dropped the "d" in the word "knowledge".
—Oh,yes.I'll be more careful next time.
A.listen toB.look forward to
C.pay attention toD.get used to
My classmate is running so fast!I ________ believe my eyes.
A.can'tB.needn'tC.mustn'tD.shouldn't
There ________ a concert in our school hall next week.
A.isB.wasC.will beD.will have