12 Put the verbs in brackets into the
correct tense.
1 Ben ........
.... (write)
a paper on climate change at the moment.
2 Yesterday, I .....
(see) a programme about endangered
animals.
3 If I fail my exams, I
(not/go) travelling.
4 Marie promised
(join) the conservation group.
5 He ....
(never/hear) of this!