Thetwocountriesstartedmanyco-operationsinorderto____________thetiesbetweenthem.[ ]

Shall we go for a picnic tomorrowafternoon—_____ It’s said that there might be aheavy rain then

When it comes to the civil war in Syria, the US government’s attitude towards it has experienced a(n)_______ change , which may have a positive effect on Syria present situation.

35. The plant is dead. I ______it more water.

He________live in the south，so it is hard for him to________the climate here.[ ]