It’s necessary for usEnglish well.
| A．learn | B．to learn | C．learned | D．learning |
Mrs Brown looks young., he is over 70 years old.
| A．In fact | B．In the end |
| C．As long as | D．Such as |
—When did the planeBeijing?
—Sorry, I don't know.
| A．get | B．arrive in | C．reached | D．got |
Which is, the sun, the moon or the earth(地球)？
| A．big | B．bigger | C．biggest | D．the biggest |
—Where is Peter?
—I’m not sure,he’s at home.
| A．may | B．can | C．may be | D．maybe |