Our teacher looked here and there on our playground ______ looking for something.
| A．even though | B．even if | C．as if | D．only if |
______ on time, or you’ll be fired.
| A．Arriving | B．If you arrive | C．Arrive | D．to arrive |
________ from the top, the city looks more beautiful.
| A．To see | B．Seeing | C．Seen | D．See |
One learns a language by making mistakes and________ them.
| A．correct | B．correcting | C．corrects | D．to correct |
good manners to say “Sorry” when you knock into someone butno need to say it again and again .
| A．There are ; there is | B．It is ; there is | C．There is ; it is | D．It is ; it is |
This kind of picture storiesworth reading , but novels of that kindnot worth reading .
| A．are ; is | B．is ; are | C．are ; are | D．is ; is |