We all do more speaking _____, even when we have a break after class.
| A．more or less | B．by and by | C．step by step | D．now and then |
It suddenly ______ to me that we could use a computer to do the job.
| A．took place | B．occurred | C．came about | D．happened |
______ is known to us all that the 2012 Olympic Games will take place in London.
| A．As | B．What | C．Which | D．It |
--Sorry, I’m late. The bus got hold up in traffic.
--_____________.
| A．You can say that again | B．It won’t bother me |
| C．Never mind | D．It all depends |
Li Na had managed to ______ in motion an upsurge（高涨）of students learning tennis across Asia.
| A．take | B．put | C．set | D．make |
The manager was very angry, for he had sent his business partner two thousand machines yesterday, half of _________ unqualified.
| A．them | B．what | C．which | D．whom |