The look on Max’s face was ______ between puzzlement and anger.
His English, ______ used to be very poor is now excellent.
---- Why don’t we choose that road to save time?---- The bridge to it _________.
There are many talented actors out there just waiting _______.
---- Does your brother study in Beijing University?---- No, not now. But he ________ there for 7 years.
---- Oh, it’s raining hard outside. Do you think the milkman will arrive?---- Of course. He will come on time ________ it rains.