．Since you are here, you ____ as well stay here for long.
| A．can | B．may | C．must | D．should |
—Why do you want the book so much?
—_____, sir.
| A．Studying | B．Studied | C．Studies | D．To study |
----Have you fed the cat?
----No, but______.
| A．I’m | B．I am |
| C．I’m just going | D．I’m just going to |
----Do you think it will snow tomorrow?
----______?
| A．I don’t think | B．No, I don’t think |
| C．I don’t think so | D．No, I don’t so |
-----I won’t do it any more.
-----_______?
| A．Why not | B．Why don’t do any more | C．Why not do | D．Why don’t |
---- Won’t you have another try?
---- ________.
| A．Yes, I will have | B．Yes, I won’t have | C．Yes, I won’t | D．Yes, I will |