---I have sore eyes. ---You _____ play computer games too long.
| A．must | B．shouldn’t |
| C．had better | D．don’t |
I will go on with the experiment unless my mother _____ me to stop.
| A．will ask | B．asks | C．asked | D．has asked |
____ they are working ! We should learn from them.
| A．What hard | B．What hardly |
| C．How hard | D．How hardly |
–The little boy seldom puts away his toys by himself, does he?
-- _____. So his mother has to do it for him.
| A．Yes, he does | B．Yes, he doesn’t |
| C．No, he does | D．No, he doesn’t |
The tiger is now in danger of disappearing. So more attention ____ to protecting the tiger.
| A．paid | B．must pay |
| C．was paid | D．must be paid |
-Would you care for a cup of tea?
--Ione. Thank you all the same.
| A．have had | B．had | C．would have | D．will have |