(2018日照)The boss is so ________ that no one dares to play jokes on him.
A.friendly B.careful C.serious D.popular
Mrs. Smith showed the boys how to behave ________ like a gentleman at the dinner table.
A. happily
B. bravely
C. politely
D. differently
(2018辽阳)I had a ________ trip to Dalian last year. It's a nice city to visit.
A.wonderful B.terrible C.dangerous D.delicious
(2019原创)Things change so f________ that we don't know what will happen in the future.
(2019原创)Hurry up! We don't have e________ time to do that thing.
(2019原创)Students can't focus on their study in such a n________ place. We need to find a quiet one.
