Present Simple and Present Continuous

A.

These days, it seems everything 1) is changing (change). Cities 2) are developing (develop) faster every year, technology 3) is becoming (become) bigger and busier than ever before, and scientists 4) are learning (learn) more about the way things work.

B.

Water 1) boils (boil) at 100 C and 2) freezes (freeze) when the temperature 3) drops (drop) below 0C. Salt water 4) is (be) different, however.

C.

This film 1) is (be) great! It 2) has (have) an all-star cast and the script 3) is (be) very funny. The action 4) begins (begin) when two young men 5) are trying (try) to rob a bank.

D.

Rogers 1) kicks (kick) the ball and 2) passes (pass) it to Jones. Jones 3) runs (run) down the pitch. He 4) shoots (shoot) and 6) scores (score)!