Exercises Directions: Choose the best answer.
1) Is the house comfortable for us _____ ? A) to live B) to be living C) living D) to live in 2) The idea is difficult _____ in English. A) to be expressed B) to express C) express it D) to express it 3) Apples are cheap _____ when they are in season. A) to buy B) to be bought C) to buy them D) buy them 4) She is never afraid _____ out at night. A) going B) to be going C) to go D) to have gone 5) I am fortunate _____ good health. A) to have B) to be having C) have D) to be
Key: 1.D 2.B. 3.A 4.C 5.A