Linda ______coffee or tea, but she likes orange juice.

s present environment situation is from bad toworse and if we _________ now to protect the environment, we’ll live to regretit.

I insisted that a doctor _______ immediately

Some tourists’ visiting Tian’anmen Square during the holiday left a ________ of litter everywhere they went.

(2013·甘肃河西五市二模)Look! The ground is wet. It must have rained last night, ________？