The policeman told the children ______ in the river.It's too dangerous!
A．to not swimB．not to swim
C．not swimD．not swimming
Sam______a computer from me yesterday．（ ）
| A． |
sold |
B． |
borrowed |
C． |
lent |
D． |
returned |
_____Jane____her brother is going to the movies this weekend． One of them has to stay at home to look after their sick mother．（ ）
| A． |
Neither； nor |
B． |
Either； or |
| C． |
Both； and |
D． |
Not only； but also |
I like these books because they offer me a lot of__ knowledge．（ ）
| A． |
useful |
B． |
awful |
C． |
useless |
D． |
boring |
Judy ，is that boy with glasses______new classmate？
Yes． Let's say hello to_________．（ ）
| A． |
we； he |
B． |
us； himself |
| C． |
ours； his |
D． |
our； him |
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 |