---Look! It must be Jack on the playground.
---It _____ be him. Because I saw him enter the school library just now.
| A．mustn’t | B．can’t |
| C．shouldn’t | D．may |
—Why was Mrs Smith angry with Jack?
—Because he worked than the others.
| A．more carefully | B．worse | C．better | D．more clearly |
_______ does Tom like math? Because _____ fun.
| A．Why, it’s | B．When, it | C．Why, It’s | D．When, It |
Do you want to play_____ tennis? Yes, I ______.
| A．a,want | B．the, do | C．an, does | D．/,do |
I usually_______ books in the morning.
| A．look | B．read | C．watch | D．see |
What do you usually do____Saturday evening,?
A in B on C at D to