_______the scientists' hard work，Tiangong II was launched（发射）successfully．（ ）
A．As forB．Thanks to
C．Instead ofD．According to
Parents should always tell their kids ________ with strangers．（ ）
| A． |
not to talk |
B． |
not talking |
| C． |
to not talk |
D． |
not talk |
He was so angry that he could say_________．（ ）
| A． |
anything |
B． |
nothing |
C． |
something |
D． |
everything |
He has many friends at school．_____？（ ）
| A． |
has he |
B． |
does he |
C． |
doesn't he |
D． |
isn't he |
Mary____ a math problem with her classmates when the math teacher knocked at the classroom door．（ ）
| A． |
has discussed |
B． |
was discussed |
| C． |
was discussing |
D． |
discusses |
______you practice， _________you will be at math．（ ）
| A． |
The more； the better |
| B． |
The more； the best |
| C． |
The most； the better |
| D． |
The most； the be |