—It's no easy task to catch a ticket on a website that receives 1 billion clicks daily.—I can't agree with you more. There ________ be errors for every single step.

The public transportation is very convenient in that big city, so there ________ be any difficulty in traveling around.

—Hey! Any idea about learning abroad?—You ________ google the College Board to learn the names of colleges you ________ be interested in.

—Is Nick coming by train?—He should, but he ________ not. He likes driving his car.

(2013·东北三校二模)—In case anyone ________ come in my absence, tell him I will be back soon.—Sure, I will.

(2013·青岛二模)John ________ yet, or he would have telephoned me.

(2013·安徽安庆二模)—She looks very happy. She ________ have passed the exam.—I  guess so. It's not difficult after all.

(2013·浙江金华二模)A survey has shown that 40% of those killed in traffic accidents ________ if they had been wearing seat belts.

(2013·长沙二模)—The research on the new flu virus vaccine is challenging  and demanding.Who do you think can do the job?—________ my students have a try?

(2013·合肥第二次质检)Martin hasn't been in touch with me for ages. He  ________ my new cellphone number.

(2013·江西九江二模)If you won't do as I tell you, you ________ get the chance to be promoted because the competition is just too fierce.

(2013·江苏南通市二模)We ________ have hurried all the way to the airport — the flight was called off because of the foggy weather.

(2013·四川省都江堰市二模)—Mike, I can't find my watch anywhere.—You ________ it while working out.

(2013·江西鹰潭一中高三一模)What a pity! Considering his ability and experience, he ________ better.

(2013·银川高三一模)—Where is the post office?—It's just over there, at the end of the street. You ________    not miss it.

(2013·济南一模)—Can you keep the secret?—You ________ worry —  I'm not going to mention it to  anyone.

(2013·皖南八校一模)I felt surprised that anyone of his intelligence ________ such an easy test.

(2013·江西六所重点高中一模)We ________ take clean drinking water for granted. One day we may run out of it.

(2013·成都一诊)Parents are doing all they ________ to help their children achieve their ambitions.

 —I don't really like James.Why did you invite him?—Don't worry.He ________ come.He said he wasn't certain what his plans were.(2011·北京)