1 . Nowadays cyber security has become the concern of the public as online shopping has frequently led to personal information         .

A．stolen

B．having stolen

C．to steal

D．being stolen

2 . I am too busy so I can’t help         the house, and I can’t help          why I have so much work to do.

A．clean; wonder

B．clean; wondering

C．cleaning; wondering

D．cleaning; wonder

3 . 她指责比尔对她说谎，但这无法让其他人相信。
She ________ Bill ________ ________ to her, but failed to convince others of it.

4 . 李娜，著名的中国网球运动员，把她23年的光阴都用于打网球。
Li Na, a famous Chinese tennis player, ________ her 23 years ________ ________ tennis.

5 . I saw several young people enter the great hall after I had waited for them for half an hour.(变成含有动名词的简单句)
I saw several young people enter the great hall after half an hour________ ________.

6 . 国庆假期，他宁愿呆在家里面而不愿出去
He _________ _________at home_________ _________out during National Day holiday.

7 . knowing that you will come to study in our school as an exchange student, I am looking forward to________ the opportunity to show you around the campus.

A．have

B．has

C．having

D．had

8 . 搬入新家之前, 母亲让人把房子重新装修了一番, 把地板都换了。（redecorate, replace）（汉译英）

9 . 许多医生建议我们不吃富含糖类和脂肪的食物。（avoid）（汉译英）

10 . 青少年绝不能沉迷于吸烟。
Teenagers should never be______ ______ ______.