1. If the message was (A) more detailed, I would (B) have been=>be (C) able to understand (D) it when I read it.
2. The professor decided to allow (A) the students to take (B) the examination a second (C) time because=>because of (D) the low scores.
3. Many (A) people agree that writing (B) letters are=>is (C) a nice way of keeping in (D) touch.
4. Thieves whom=>who (A) stole paintings (B) from Notfort art gallery have been (C) arrested in (D) Paris.
5. If you work hard (A), you would be=>will be (B) successful in (C) anything that (D) you do. =>
6. No one in our office wants (A) to drive to work because of=>because (B) there are (C) always traffic jams at rush hour (D).
7. Let me know if (A) you are interested to take=>in taking (B) part in (C) the Sculpture (D) Competition.
8. Some of (A) my friends have (B) considered not going (C) to college because=>because of (D) the cost.
9. Having lived (A) here for (B) seven years, my friend is used to speak=>speaking (C) English with all her (D) classmates.
10. To grow (A) well, a tree must be (B) well-suited (C) to the area where is it (D) planted.
11. When (A) I kept getting (B) unwanted calls, I called the phone company and had (C) my phone number change=>changed (D).
12. All the (A) students in the class are enough good=>good enough (B) to pass (C) the final (D) exam.
1 A => had been
2 D => because of
3 C => is
4 A => who
5 B => will be
6 B => because
7 B => in taking
8 D => because of
9 C => speaking
10 D => it is
11 D => changed
12 B => good enough