（ ）1.Let’s ______ with singing.
A．begin B. starts C. start D. started
（ ）2.Look at the clouds to _____ rain.
A. will B. is going to C. must be D. certainly
（ ）3.The newspaper ______ It’s going to rain today.
A. say B. says C. sayed D. said
（ ）4.The earth _____ round the sun.
A. move B. moved C. moving D. moves
（ ）5.We _____ Beijing if it is a fine day tomorrow.
A. will go to B. went to C. goes to D. are going
