题目内容

Two boys and their mother ___ under the tree.

A. are sleeping
B.is sleeping
C. are sleep

查看答案
更多问题

Mary is swimming ___ the river.

A. to cross
B. crossing
C. across

Listen! Someone is ___ in the dark.

A. sing
B. singing
C. sings

— Excuse me. Who ___ eating the bones?— The dogs.

A. are
B. is
C. must

Is your brother ___ a book or ___ TV?

A. reading/looking
B. reading/watching
C. looking/watching

答案查题题库