1) They don't ask anything if something ...
1. happened
2. Happen
3. will happen

2) Since when... you not Helen...in the cafe?
1. Will...see
2. Did... see
3. Have ...seen

3) The...of milk was in the can.
1. Iuquid
2. Amount
3. Number

4) My pair of pijamas...very fashionable
1. Will
2. Are
3. Is

5) How...he sings in the choir?
1. Well
2. Good
3. Holder

6) I am not sure if you...the language.
1. Learns
2. Learn
3. Will learn

7) What is wrong? - When have you seen the film
1. Have
2. See
3. Have...seen

8. ... few kilometres to the grotto
1. an other
2.other
3. another