Children under 12 years of age in that country _____ be under adult supervision when is a public library.
| A．must | B．may | C．can | D．need |
Jane is one of the best students in her class who _____by their teacher.
| A．are praised | B．is praised | C．praised | D．praising |
Those who ____ in ____compositions， please hand them in this afternoon.
| A．hasn‘t handed； his | B．haven’t handed； their |
| C．has handed； their | D．have handed； his |
Three-fourths of the homework _____today.
| A．has finished | B．has been finished |
| C．have finished | D．have been finished |
He is the only one of the students who _____elected.
| A．are | B．have | C．has | D．is |
Many a man _____ come to help us.
| A．have | B．has | C．is | D．are |