The flowers ________ every day, or they will die.
| A．must water | B．can be watered |
| C．should water | D．must be watered |
—I wore sports shoes to the ball yesterday evening by mistake!
— Oh, dear, you must be very ____ at the ball!
| A．embarrassed | B．satisfied |
| C．tired | D．surprised |
Tom was disappointed that most of the guests ______ when he ______ at the party.
| A．left; had arrived | B．left; arrived |
| C．had left; had arrived | D．had left; arrived |
—Would you like to go for a picnic tomorrow?
—Sorry, I have to _____ my homework.
| A．work on | B．put on |
| C．put out | D．take away |
—Why was Miss Lee angry this morning?
—Because Tom didn’t _____ his homework.
| A．hand out | B．hand in |
| C．give away | D．give out |
We are made ________ more confident by our teacher.
| A．to be | B．being | C．be | D．been |