Without a doubt there are (35) challenges, but there are also examples of when the Internet has haneed someone's life for the better.

A. comprehensive

B. provided

C. current

D. understanding

A. Hardly had the newly advertised product been on sale when did customers realise that it had lots of defects.

B. Hardly had the newly advertised product been on sale when producers realised that it had lots of defects.

C. Hardly had the newly advertised product been on sale when customers wouldn't realise that it had lots of defects.

D. Hardly had the newly advertised product been on sale when customers realised that it had lots of defects.

A. showing agreement

B. getting annoyed

C. expressing doubt

D. becoming aware

A. finished

B. is finishing

C. will finish

D. finish

A. If Jane didn't have some work to do this weekend, she could attend her sister's wedding.

B. Provided that Jane has some work to do this weekend, she can't attend her sister's wedding.

C. If Jane had some work to do this weekend, she could attend her sister's wedding.

D. If only Jane had had some work to do this weekend, she could have attended her sister's wedding.

A. Tom said that his friend gives him some candies.

B. Tom said that my friend gives me some candies.

C. Tom said that his friend had given him some candies.

D. Tom said that my friend gave me some candies.

A. unknown

B. public

C. outstanding

D. well-known