20.-Who is the man over there?
-He is an old friend of _________.( )
-He is an old friend of _________.( )
| A. | I | B. | my | C. | mine | D. | me. |
19.When I got home last night,my parents ____ for me at the table.( )
| A. | wait | B. | waited | C. | were waiting | D. | have waited |
18.Some new teaching buildings ____ in Shunyi last year.( )
| A. | build | B. | are built | C. | built | D. | were built |
17.-Linda,I called you this morning,but nobody answered the phone.
-I'm sorry.I____a picnic with my family then.( )
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-I'm sorry.I____a picnic with my family then.( )
| A. | have | B. | had | C. | am having | D. | was having |