—Will you join us for lunch?
—________.
| A．No, I don’t | B．Yes, with pleasure |
| C．No, help yourself | D．Yes, please |
_____ of the students in our class _____ girls.
| A．Three fives; is | B．Three fifths; is |
| C．Three fifth; are | D．Three fifths; are |
Don’t _____ your hands from the window when you are on a bus.
| A．put on | B．take off | C．put out | D．throw away |
Maria has _____ trouble _____ math, so she often asks her math teacher for help.
| A．much; understanding | B．no; with |
| C．many; understanding | D．not; to understand |
Teachers should _____ their students to practice _____ English as much as possible.
| A．encourage; speaking | B．let; speak |
| C．make; speak | D．keep;speaking |
China takes the leading position _____ space industry.
| A．in | B．at | C．of | D．up |