Summer camping is a great experience for students． It is good to help them ．（ ）
| A． |
wake up |
B． |
get up |
C． |
hurry up |
D． |
grow up |
All the volunteers were very tired， but _____ of them had a rest．
They were busy helping the firemen．（ ）
| A． |
both |
B． |
neither |
C． |
all |
D． |
none |
Putting out forest fire is regarded as one of _____ problems in the world．（ ）
| A． |
difficult |
B． |
more difficult |
| C． |
most difficult |
D． |
the most difficult |
Susan， there is _____ rice and _____ noodles at home． Will you go shopping with me？
Sorry， I have to wait for the postman．（ ）
| A． |
little； few |
B． |
few； little |
| C． |
a few； little |
D． |
few； a little |
You have got lots of masks． Could you please tell me_____？
Sure． I bought them in a shop in the neighborhood a few days ago．（ ）
| A． |
when did you buy them |
| B． |
where you bought them |
| C． |
when will you buy them |
| D． |
where you will buy them |
On January 29th， 2020，Zhong Nanshan and his team _____ over four hours online _____ five patients who were seriously ill， and made a treatment plan for those patients．（ ）
| A． |
spent；checking |
B． |
spent； to check |
| C． |
spend；checking |
D． |
spend；to check |