When ________ to the market, these products were very popular.
A. introducing B. introduced
C. introduce D. being introduced
His English, ______ used to be very poor is now excellent.
A. which B. that C. it D. whom
---- Why don’t we choose that road to save time?
---- The bridge to it _________.
A. has repaired B. is repaired
C. is being repaired D. will be repaired
There are many talented actors out there just waiting _______.
A. to discover B. to be discovered
C. discovered D. being discovered
---- Does your brother study in Beijing University?
---- No, not now. But he ________ there for 7 years.
A. would study B. studied C. has studied D. was studying
---- Oh, it’s raining hard outside. Do you think the milkman will arrive?
---- Of course. He will come on time ________ it rains.
A. in case B. as long as C. ever since D. even though
