There _____ a pen, two pencils on the desk.

–I’ve been coughing like this for several days. --I’m sorry _   you’re not well.

The children ______ a P.E. class on the playground when it began to rain suddenly.

 You had better _______ wine because you have to drive back home.

The famouse writer Lin Qingxuan ______to come to our school to give a speech again.