—Who ________ it be that is knocking at the door?
—It________ be Mother, but I’m not sure.
| A．can; must | B．can; may | C．must; can | D．may; must |
推荐试卷
—Who ________ it be that is knocking at the door?
—It________ be Mother, but I’m not sure.
| A．can; must | B．can; may | C．must; can | D．may; must |
试题篮
()
粤公网安备 44130202000953号
