Question

B21 He closed the door…………..he locked it.
a) as soon as b) until c) before
B22 Ann called her mother ___________ she got home.
a) as soon as b) until c) when
B23 The book ____________ you are reading is very interesting.
a) who b) why c) which
B24 Science fiction books are very ______________ .
a) interest b)interested c) interesting
B25 He waited in the airport _____________ the plane arrived.

Answer 1

B21. He closed the door before he locked it.

B22. Ann called her mother as soon as she got home.

B23. The book, which you are reading, is very interesting.

B24. Science fiction books are very interesting.