Alice wants to become ______ singer when she grows up.
A．不填 B．the C．an D．a
Modern science has given clear evidence ______ smoking can lead to many diseases.
A. what B which C. that D where
---- Sorry, I am late. The bus was _________ in the traffic.
----- Oh, never mind. It doesn’t matter
A．held up B．turned up C．picked up D．made up
It is reported that the guy who is going to _________ the lecture spent a year living in the rain forest.
A. refresh B convey C. deliver D. convince
It’s _____ good feeling for people to admire this great work that gives them ______ pleasure
A．/ ; a B．a; / C．the ; a D．a ; the
The tomato juice left some _____ on a customer’s skirt, which made the waitress nervous.
A．signs B．points C．tracks D．spots
