3.13The letters () on your desk yesterday, but you didn’t read them at all.

A. 　 nowhere

B. 　 somewhere

C. 　 everywhere

D. 　 anywhere

A. 　 enters

B. 　 has entered

C. 　 was entering

D. 　 entered

A. 　 by

B. 　 on

C. 　 in

D. 　 for

A. 　 and

B. 　 but

C. 　 so

D. 　 with

A. 　 will be built

B. 　 will build

C. 　 was built

D. 　 built

B. 　 Well done

C. 　 I’d like to

D. 　 I’m afraid not

A. 　 since

B. 　 when

C. 　 as

D. 　 while