Our Chinese teacher is nice and patient ________ she is very strict with us.
A．ifB．asC．unlessD．though
He ______look at the stars every night， but now he does not．（ ）
| A． |
had better |
B． |
used to |
C． |
ought to |
D． |
had to |
There will be fewer workers in factories because most work _________ by robots in the future．（ ）
| A． |
is done |
B． |
was done |
| C． |
will be done |
D． |
will do |
Small cars are useful in cities with narrow __________．（ ）
| A． |
streets |
B． |
cinemas |
C． |
squares |
D． |
shop |
Which of the following sentences is correct？（ ）
| A． |
Many people wonder where has time gone． |
| B． |
Alice asked me what I do for waste sorting （垃圾分类）． |
| C． |
Could you tell me how far was it from here to your school？ |
| D． |
I don't know whether he will be back in a week． |
A true friend is a person ______ reaches for your hand and touches your heart．（ ）
| A． |
whom |
B． |
whose |
C． |
who |
D． |
which |