$1.$ The Pikes have moved to London since 2002. $(+)$
- When have the Pikes moved to London$?$
$2.$ The students are playing badminton at the moment. $(+)$
- What are the students playing at the moment$?$
$3.$ Mai's sister bought some new story books yesterday. $(+)$
- What did Mai's sister buy yesterday$?$
$4.$ The children usually visit their grandparents at weekends. $(+)$
- When do the children often visit their grandparents$?$
$5.$ Ba and Phong have known each other quite well for years. $(+)$
- How long have Ba and Phong known each other$?$
$6.$ The phone rang at midnight last Sunday. $(+)$
- When did the phone ring$?$
$7.$ The Browns have traveled to Asia many times. $(+)$
- Where have the Browns traveled many times$?$
$8.$ Phong will make a book report for this group next week. $(+)$
- What will Phong make for this group next week$?$
$9.$ That film showed on television last month. $(+)$
- What was shown on television the last month$?$
$10.$ People spoke English in India long time ago. $(+)$
- What language did people speak long time ago$?$
