1. the river is rich fish. a) of b) on c) for d) with? 2. if i you, i would probably do it. a) am b) was c) were 3. who it to you? a) explain b) explained c) do explain 4. he go to school yesterday? a) does ? b) did c) is 5. it rain today, though the sun is shining now. a) must b) can c) may d) could e) have to
2) c
3) b
4) b
5) c