---Why haven’t you asked her to come here?---She _______ an important experiment when I found her and she _____ it.
— How many of your class will go to the park? -- _________ .
— Would you like me to help you? — ________ .
—Susan ,you are doing worse. You have to _____more _____ your study than computer games. —Yes. I must control myself.
—I am very glad that our class_____ in taking the first place in the singing competition. —Congratulations!
The clock ______ last week has gone wrong.