A.climb | B.is climbing | C.Climbs |
A.see | B.sees | C.seeing |
A.an | B.a | C.不填 |
A.fifty | B.forty | C.thirty |
A.sixty one | B.sixty-one | C.sixty and one |
A.There are thirty pupils in our class. | B.There are fourteen pupils in our class. |
A.are | B.is | C.am |
A.is | B.are |
A.child | B.childs | C.children |