Have you ever worked as______volunteer during the COVID﹣19 pandemic （新冠疫情）？
Yes． It was_____unforgettable experience for me．（ ）
| A． |
an； an |
B． |
an；a |
C． |
a； an |
D． |
a；a |
-I think our teacher．Mrs．Allen，knows everything．
-I agree．Because she over 2，000 books．（ ）
| A． |
read |
B． |
has read |
C． |
reads |
D． |
is reading |
-When is the time to visit Brazil？
-In August and September，I think．Not too cold，not too hot．（ ）
| A． |
hottest |
B． |
hotter |
C． |
best |
D． |
better |
-Do you like the songs by Taylor？
-Yes．Country music _________ nice and full of feelings．（ ）
| A． |
sounds |
B． |
listens |
C． |
hears |
D． |
looks |
Two ______ students ______ to the opening ceremony last Friday．（ ）
| A． |
hundreds； were invited |
| B． |
hundred； were invited |
| C． |
hundreds of； invited |
| D． |
hundred of； invited |
We believe One Belt，One Road（一带一路） will help China improve the _____ with lots of countries．（ ）
| A． |
population |
B． |
situation |
| C． |
environment |
D． |
relationship |