Helen has been looking for a job over the whole year，feeling she can’t get________without work experience.

What does the monster look like? — The tongue of the monster can be extended ______ of its body. [ ]

So far no life has been found outside the earth, but while some scientists are actively searching for living things in outer space, others firmly believe there ____ .

Sandy, _______ apple on the table is for you. Have it before you go out.—Thanks, Mum. _____ apple a day keeps the doctor away.

One of the most important problems we willhave to solve is ____of students’ learning method