Give the correct form of the verbs
1. Millions of people ( visit ) ......... Ha Long Ba every year
2. The Brown family ( build ) ........ that house long ago
3. Yesterday I ( be ) .......... busy , so I ( not have ) ....... time to phone you
4. Nga and Hoa ( see ) ... a movie tonigh
5. It ( be ) .... hot in the summer
6. The soft drink ( not be ) ..... cool enough for me to drink