—Do you know if Tom ________to the concert?
— I’m not sure, but if he________, I’ll go to the concert with you.
| A．comes, comes | B．comes, will come |
| C．will come, comes | D．will come, will come |
Recently people care more about the safety of. Everyone wants to eat healthily.
A. foods B. clothes C. buildings
We live in Shanxi Province. She’s our beautiful home. We all love
A. him B. them C. her
I know _________ I promised to take you to dinner, but I won't finish working until ten o’clock.
| A．that | B．if | C．what | D．why |
－Oh, my God! I can't find my key to the office.
－Don't worry. Perhaps it _________ at your home.
| A．left | B．has left | C．was left | D．had left |
－Hello, mum. Are you still on Lushan Mountain?
－Oh, no. We are back home. We _________ a really good journey.
| A．have | B．had | C．are having | D．will have |