单项选择题A.The weather forecast says it will be fine.B.The weather doesn’t count in their plan.C.They will cancel their plan in case of rain.D.They will postpone their program if it rains.
单项选择题A.His friend might have given him the wrong key.B.He didn’t know where the back door was.C.He couldn’t find the key in the mailbox.D.It was too dark to put the key in the lock.