帮我讲讲原因1.-Would you like to go for a picnic?-I'd love to ,but

帮我讲讲原因
1.-Would you like to go for a picnic?
-I'd love to ,but i'm busy now .If I had time ,I___with you.
a.will go b.would go c.went d.
2.Hurry up!There is someone___for you in garden.
a.waiting b.waits c.wait d.waited
3.I got up so late this morning that I missd___(catch)the early bus.
4.What if it ___when we swim in the river?
a.rains b.will rain c.is raining d.has rained