Thank you for telling me so much knowledge about nature．
Don't mention it． ______ you have more questions， come to me any time．（ ）
| A． |
If |
B． |
Because |
C． |
Though |
Mum， I'm going on a picnic with my friends today．
Have good day．（ ）
| A． |
a |
B． |
an |
C． |
/ |
Chinese people hold dragon boat races and eat _______to remember Qu Yuan on the 5 thof lunar May．（ ）
| A． |
mooncakes |
B． |
sweet dumplings |
| C． |
rice dumplings |
D． |
fried rice |
-We shouldn't worry about Mary．
-You are right． She is ______to look after______．（ ）
| A． |
old enough； herself |
B． |
big enough； herself |
| C． |
enough old； her |
D． |
enough big； her |
People invented Chinese chess in memory of the battle _______Liu Bang ______Xiang Yu．（ ）
| A． |
neither；nor |
B． |
either；or |
| C． |
both；and |
D． |
between； and |
-What are you doing？
-We are talking about the books and writers____we like．（ ）
| A． |
that |
B． |
which |
C． |
who |
D． |
whom |