1. The hotel staff didn’t assist us with our heavy luggage when we arrived. They …………… more helpful.

• a. Couldn’t have been

• b. Could have been

• c. Can

• d. Can be

2. The police officer didn’t know where the victim was, but they ……………. to find him in the end.

• a. Might have

• b. Was able to

• c. Could

• d. Were able

3. The cats eat up all the dry food which I have served. They ……………. very hungry.

• a. Will have been

• b. Could have been

• c. Must have been

• d. Would have been

4. Since she has kept my book for over six months, ……………. it as soon as possible.

• a. She’ll have returned

• b. She would return

• c. She was returned

• d. She should return

5. The traffic regulations in the U.S. are different from those in Indonesia. In the U.S. you ……………. drive on the right side of the road.

• a. Can

• b. May

• c. Could

• d. Must

6. Kapten Ri Jung Hyuk ……………. the Korean Demilitarized Zone (DMZ) yet because his car is still parked near the gate.

• a. Can’t have left

• b. Must have left

• c. Might have left

• d. Ought to have left

7. If she had studied harder, she ………………… the scholarship.

• a. will get

• b. should have gotten

• c. will have gotten

• d. must get

8. All of the employees of Event Hunter Asia will be punished if they come late. They ………………… on time every morning.

• a. Can come

• b. Ought come

• c. Should come

• d. Are able to come

9. My parents …………… Sriwijaya Airlines yet because they are still at the check-in counter.

• a. Can’t have boarded

• b. Must have boarded

• c. Might have boarded

• d. Ought to have boarded

10. Melisa went to the office by using MRT, but she ……… by her motorcycle.

• a. should have gone

• b. might have gone

• c. could have gone

• d. can have gone