Which of the following best completes the sentence : Just how much cosmic rays affect cloud formation ¾¾, however, ¾¾ elusive.

1.Which of the following is accepatable in standard written English?

2.One of the greatest attributes of teacher is ¾¾

3.It was not until she had reached home ¾¾ rebembered her appointment with the doctor.

4."The old man works at a snail's pace" means ¾ .

5.My cousins did not help when I was in deep trouble. But they ¾¾.

6.Which of the following can be both masculine and feminine?

7.Which of the following sentences is correct?

8.Choose the correct sentence.

9."I have butterflies in my stomach" means

10.I am not accustomed ¾¾.

11.Which of the following is similar in meaning to RETRACT.

12.Which of the following is similar in meaning to CORPULENT?