This year they have produced_________ they produced the year before last.
| A．twice many cars as | B．twice as many cars as |
| C．twice more than cars | D．twice the cars of |
We had no one ______ us, for we could deal with the case all by ourselves.
A. help B. to help C. helped D, helps
I’m sorry to hear that you failed your driving test, ______ luck next time.
| A．good | B．better | C．best | D．the best |
Miriam arrived at 5 pm, but Mr. Whitker _______ the store.
| A．closed | B．has closed | C．had closed | D．was closed |
_______ for many times, he still hopes to win.
| A．Failing | B．Failed | C．Having failed | D．To have failed |
Ram explained to his mother _____ he would get home late that night because of extra work.
| A．that | B．which | C．what | D．whether |