3. Choose the correct tense (Past Continuous; Future Simple; To Be Going to; Present Perfect Continuous; Past Perfect Continuous; Present Perfect,Past Perfect). Example: 0) I was watching /watched a horror movie when my brother came. 1. The temperature is going to fall/ will fall significantly tonight, so be sure to bundle up before heading outside. 2. I've decided I am going to book / I will book a trip into space as soon as I can afford it. 3. They have been waiting / had been waiting for the report all day but when it came through the final page was missing.