Ex. 55. Make the sentences interrogative using the Simple Past.
1. be / Ann and Pete / out / last night. 2. go /Ann and Pete / to Exposition Center. 3. be / John / home / last night. 4. worry / Pete / about / last night / his mother. 5. be / you / in Europe / in 1990. 6. visit / you / the Eiffel Tower / that year. 7. be / your / parents / in Asia / last year. 8. take / you / a vacation / last summer. 9. buy / Olga / a sweater / yesterday. 10. be / the sweater / blue.