I. (4 points) Complete the sentences with the correct form of the verbs in brackets.
1. Where (you/spend)………………………..your last summer vacation, Hoa?
2. Last night, we (go)……………………to Lan’s birthday party.
3. My sister (practice)…………………..the guitar twice a week.
4. Hoa (study)…………………….Math at the moment.