－How long do you think the terrible weather will _______?
－Why not listen to the weather report?
| A．appear | B．last | C．change | D．discover |
We often see Betty ____ the old man with his housework.
| A．help | B．to help | C．helped | D．helping |
You’d better stop ________ .You look too tired.
| A．work | B．working | C．to work | D．worked |
My teacher encouraged me _______ more books.
| A．reading | B．to read | C．to reading | D．read |
-- __________ does your brother look?
-- He looks __________ .
| A．What; happily | B．How; happily |
| C．What; happy | D．How; happy |
— Could you teach me how _________ cakes? — Sorry, I don’t know.
| A．make | B．making |
| C．to make | D．made |