Directions: Choose the sentence which makes appropriate use of verbs given in the brackets:
The government (hope) that the current research (throw) light on the hitherto unknown causes of this terrible disease.
1
The government (hoped) that the current research (throws) light on the hitherto unknown causes of this terrible disease.
2
The government (hopes) that the current research (will throw) light on the hitherto unknown causes of this terrible disease.
3
The government (hoped) that the current research (had thrown) light on the hitherto unknown causes of this terrible disease.
4
The government (are hoping) that the current research (threw) light on the hitherto unknown causes of this terrible disease.