－My parents always warns me ______ with fire.
－They are right. It’s dangerous.
| A．to play | B．to work |
| C．not to play | D．not to work |
【2014山东烟台】一 How many girls are there in your class?
—_________ them __________ over twenty.
| A．A number of, are | B．The number of, are |
| C．A number of, is | D．The number of, is |
【2014山东泰安】—What _______ the number of the students in your school?
—About two thousand. A number of them _______ from the countryside.
| A．is; are | B．is; is | C．are; is | D．are; are |
【2014重庆】There ______ more and more foreigners learning Chinese now.
| A．is | B．are | C．was | D．were |
【2014湖南益阳】 _____ of the students in our class _______ girls.
A. Two fifth; is B. Two fifth; are C. Two fifths; are
【2014四川内江】— Mum, ______ of the apples _______ gone bad.
—We’d better eat up the rest as soon as possible.
| A．one third; have | B．one thirds; have |
| C．one third; has | D．first three; has |