Move the plants to a south-facing window, ________they can absorb daytime heat.
| A．that | B．when | C．which | D．Where |
Cars do cause us some health problems——in fact far more serious ______ than mobile phones do.
| A．one | B．ones | C．it | D．those |
–If you like I can do some shopping for you.
–That’s a very kind _______ .
| A．offer | B．service | C．point | D．suggestion |
I could have offered you some help last weekend, but I _______ with my work at that time.
| A．would be occupied | B．was occupying |
| C．had been occupied | D．was occupied |
__________ he sees people in trouble, he always lends them a hand.
| A．Every time | B．The moment | C．The next time | D．The first time |
She has been working hard day and night, which of course, _______ her pale face.
| A．accounts for | B．stands for | C．goes for | D．answer for |