On the website，you can chat with ________ in English to improve your spoken English.（ ）
| A． |
other |
B． |
another |
C． |
the other |
D． |
others |
My parents and I_________ trees last Sunday.（ ）
A．plantB．will plant
C．are plantingD．planted
—Peter，what are you doing？
—Oh，I_________a report about national heroes.（ ）
A．will writeB．am writing
C．wroteD．have written
The teacher is glad to see that Tony is_______than before.（ ）
A．carefulB．more careful
C．most carefulD．the most careful
The doctors worked for ten hours，___________nobody took a break.（ ）
A．soB．forC．butD．or
—Sam，_________I join you in the community service？
—Of course you can.（ ）
A．canB．mustC．shouldD．need