. — Why were you so late for work today?
— ____ to the office was not very easy this morning because of the traffic.
| A．Drove | B．Driving | C．I drove | D．What I drove |
The number of foreign students attending Chinese universities ________rising steadily since 2010.
| A．is | B．are |
| C．has been | D．have been |
Only then ________how much damage had been caused.
| A．she realized | B．she had realized |
| C．had she realized | D．did she realize |
Memories ________on him as soon as he met the friend whom he had not heard from for over thirty years.
| A．crowded in | B．resulted in |
| C．joined in | D．got in |
The shirt is so expensive. Can you reduce the price ________a third?
| A．to | B．by | C．of | D．at |
If we are not ________the progress we have made，we will have greater success.
| A．interested in | B．strict in |
| C．popular with | D．content with |