First our team should identify                                   _ specific need in the community and then carry out a project to address that need.

A. an

B. Ø

C. a

D. the

If  he were better qualified, he                                      get the job.

A. will

B. can

C. may

D. could

Tìm các số nguyên x biết: a) (-7).x = -35; b) ( -14) .x = -28 c) 22.x + 1= 45; d) ( -2) . x + 3 = -7