Open the brackets and put the verbs into the proper lense (the present indefinite, the present continuous, the present perfect continuous or the present perfect tense) 1. he ( finish) the first past of his book and now he (write) the second. he (work) at his book for two years. 2. dusliri hoffman, who (play) the hero, (give) a fine performance. 3. why your hair (be) wet? you (swim)? 4. doctors and scientists (show) recently the benefits of fish in the diet.
