— What’s your plan for this weekend?
— We will go for a picnic by the river _______ it rains.
A. unless B. if C. but D. because
—Why was he late for school yesterday?
— He overslept. By the time he got to the bus stop, the bus ________ already ______.
A. has; left B. had; left C. was; leaving D. have; left
—Heavy smog (雾霾 )in eastern and central China seems to get more and more serious.
—I agree. Something to deal with it.
A. has done B. is doing C. must be done D. must do
— Who is your favorite writer?
— Mo Yan. I like writers _________ tell stories well.
A. where B. when C. which D. who
Tom finds _________ difficult to learn Chinese well.
A. it B. that C. this D. him
—What _______ you do if you _______ 5 million yuan?
— I’d travel around the world.
A. will, will win B. would, won
C. would, win D. will; won
