2. Collocation.Complete each of the following sentences with the word in brackets and a proper preposition. Make changes or additions where necessary.Biking is a green ____driving. (alternative)

2. Collocation.Complete each of the following sentences with the word in brackets and a proper preposition. Make changes or additions where necessary.We rejected the proposal as ____principle. (matter)

2. Collocation.Complete each of the following sentences with the word in brackets and a proper preposition. Make changes or additions where necessary.____coal is down and so are the prices. (demand)

Please fill in the blanks with the hints in the brackets to make the sentences complete and parallel.You can either stay up late or to finish the task on time. (get up early)

2. Collocation.Complete each of the following sentences with the word in brackets and a proper preposition. Make changes or additions where necessary.Our research on climate change focuses on ____the environment. (effect)

Complete each of the following sentences with the word in brackets and a proper preposition. Make changes or additions where necessary.Old buildings___________damage in severe weather if no proper measures are taken to protect them.

2. Collocation.Complete each of the following sentences with the word in brackets and a proper preposition. Make changes or additions where necessary.Although I am not an American football fan, it doesn’t mean I ____it. (interest)

put the verbs in brackets into the correct tense.

Join each pair of sentences using the words in brackets.Make any necessary changes.John will not come tomorrow.His brother isn’t coming.( ).

Complete the following sentences by translating the Chinese in brackets into English.